2007, the Chinese simulation years

As time machine and lead us into 2007, when a familiar and unfamiliar words frequently appear in our lives around. Looking back through 2007, it has been a high exit rate. Both the manufacturing and information meeting, or such as aerospace, marine, automotive and other industry information session, or CAE industry conference in China, can see its shadow, even in many cases it is the audience's Focus! It is the simulation.

Well-known information technology experts Symplectic fellow once said: CAE software simulation analysis capabilities for innovative design is not only an important business tool, but also has become the physical experiments and theoretical studies and as important as research tools, CAE technology for the manufacture in China industry power to a manufacturing power shift of great significance. Building an innovative country with the acceleration of innovation projects and product demand, CAE simulation technology market is constantly expanding, particularly in the development of CAE simulation technology fit the country's future development strategy, its prospects for development is immeasurable. Today, CAE simulation technology has been the industry is an ongoing pursuit of technology.

Perhaps China can be called the 2007 simulation years. This year, in the land of China, there were too many stories on the simulation, including the most representative three: first, the first investment in the U.S. AIG group CAE simulation industry, unprecedented; followed by the Chinese Academy of Sciences to send to the State Council a "bearing on the development of national competitiveness and national security strategy, the recommendations of CAE software industry," the report proposed the development of CAE simulation technology and the importance of the industry; again, independent research and development of China's national product PERA CAE announced the release of a era - the human entered the co-simulation time!

Substantial investment, lifted CAE industry situation

In 2007, the United States, AIG Group, a huge 15 million dollar investment for the first time to invest in CAE industry, ever. AIG Group's direct investment in China more than ten years of history, and other well-known in China, or the relatively high visibility comparison, private equity funds, AIG appeared in many low-key. Meanwhile, AIG investment projects have a strict standard to avoid investment risks, she used to segment the market from an industry starting to look for in a leading investment objectives. In particular, this investment is not very familiar with CAE for the public sector, to the security world high-tech enterprises such as investment in the Asia Pacific, AIG has done a very in-depth in previous studies and actual research.

With the numerical simulation, computational methods, computer speed the progress of the field, the development of CAE software industry has become a strategic goal of engineering science. In the United States, CAE system is known as the "priority of service in the national interests of key technologies." The rapid development of China's manufacturing technology with the purchase of the CAE huge gap between the status quo, shows that China's huge market potential CAE industry. Although the CAE industry is still new to the industry by the public, but its growth is very stable and the risk of investment is relatively small, with very good prospects, in such a robust industry, the advantages of long-term accumulation is difficult to adapt, the industry first One tends to move further and further strengthening.

It is worth mentioning that the development of CAE industry also fit China's long-term development strategy. National "Eleventh Five-Year Plan" clearly states: the manufacturing sector to play an important support for economic development role. Obviously, CAE in manufacturing and the national economy wide application in various fields, making it enhance independent innovation capability and international competitiveness of key technologies, China is building enterprises as the mainstay of the national innovation system is of great strategic significance.

Because of the above environment, contains a huge appreciation potential of the Chinese CAE industry finally won the favor of AIG Global Investment, lifted the CAE industry situation in China, boosting China's CAE industry.

Independent research and development, to break the monopoly of foreign technology

CAE technology in the manufacturing industry has almost become essential for all innovative business techniques, but also the future work in these areas, the technical staff must master basic skills. Using CAE technology, enterprises can significantly reduce design and engineering R & D institutions cycle, reduce design and development costs and enhance the development of product quality, timely introduction of new generation products to help companies develop more support or business development of new products. At the same time, CAE technology is industrial equipment, digital innovation and product design, manufacturing and quality assurance of core technology is the use of information technology to upgrade the equipment manufacturing industry is very important aspect is the core competitiveness key to sustainable growth. Practice in developed countries shows that a country should have developed the defense, vehicles, power, energy, machinery, electrical, electronic, equipment and other high-tech, there must have independent intellectual property rights of various types of major industrial equipment, production capacity, we must CAE software with independent copyright.

At present, the foundry and the imitation of "Made in China" to occupy a large proportion of "Made in China" environment in the emerging, but to a "椴ら奔璺抽緳闂? leap, we need to go the way business is also very long, this is not a quick fix to a breakthrough. No independent innovation, not to mention R & D intensive application of information technology, many information technology tools and applications for the purchase of "face work." The future, the Chinese enterprises to go beyond the "Made in China" to "create" the Goukan will be the key to enterprise development, in the absence of independent R & D companies can only trampled upon, and those holding a voice core technology companies are passes wind in its sails, will become the future industry leaders.

However, the current structure of China's CAE software industry has not yet established, although some independent CAE software has been applied in specific areas, but still a chance of "free" state, far from industrial scale, a number of high-end CAE software modules and it has always been foreign embargo. For example, in aerospace, there are some CAE software, we have not yet bought the source, but only wanted to buy over the software installed on our servers, and machines with the sale, only foreign companies that do not agree, and even software agents also do No, they want to monopolize the CAE industry. Faced with this situation, we should stop buying foreign core technology have any illusions. For "independent innovation ability to achieve leapfrog development" so that manufacturing in China a Major power shift from the manufacturing, we must improve the autonomy of CAE software development capability.

For the CAE industry development in China, Chinese Academy of Sciences presented to the State Department a "bearing on the development of national competitiveness and national security strategy, the recommendations of CAE software industry," the report pointed out that great development of independent intellectual property rights of domestic CAE Software and industry, to break the monopoly of foreign technology. This special significance for the CAE industry, becoming the first investment following the AIG Group CAE industry, the 2007 simulation years, China's another major event.

Despite the many difficulties faced by CAE independent research and development, but there are still a number of domestic research team dedicated to CAE technology and software development company. One, it is worth mentioning that the birth of collaborative simulation platform PERA, sounded the Chinese national self-developed CAE product horn, its R & D enterprise security the world has immediately become the Asia-Pacific CAE rough road independently developed a new force.

National product, co-simulation time off

Simulation platform PERA.Simulaiton issued a declaration of co-simulation era. In this age, the original discrete CAE technology, data, processes and knowledge can be combined to form a synergy to complete the previously impossible task to support the optimization of complex products and innovation. In fact, the release of co-simulation platform is also China's national enterprises courage of mature foreign CAE CAE results of technical challenges, reflects the spirit of China's national industry Sword, dared to question, dare to challenge, dare to innovate. This is completely independent intellectual property rights, living in the world's leading platform for products, not only filled a gap in this area, more Chinese manufacturers to provide independent research and development and innovation of a "weapon."

Co-simulation platform PERA.Simulaiton is a web-based and service scalability multi-application system. Multi-distributed system, the system resources are unified management and use, the user can transparently use the portal system resources. Simulation platform to encapsulate the knowledge, the experience of the human brain extract, the tacit knowledge into explicit knowledge package to the platform on a button you can start a lot of knowledge. In this way, simulation technology, lowering the threshold so inscrutable to become the low end of high technology products, so that only the experts had used only the results for corporate technology and access to more sectors can be introduced into the enterprise product simulation the entire period of the life cycle, so that as many as possible to benefit from the simulation results. Bu Jin conceptual design, detailed design, simulation verification and process planning simulation technology can be used, and even product development and downstream sectors may therefore also benefit from such as testing department, marketing department and after-sales service department.

Simulation platform in China rose, bound to the world. According to well-known American analyst, analysts on the future of large-scale enterprise survey and analysis of procurement action results in the next two to three years, collaborative applications will become a new, high-growth areas, and this area will eventually More than ERP, CRM and other areas of concern to everyone present, the most one of the areas with development potential. Therefore, we have reason to believe that the introduction of co-simulation platform for the CAE industry, the healthy development of China and China's national self-CAE technology in support Chinese enterprises to create change in China will bring a profound impact.

The rapid development of engineering science and technology, engineering and product innovation demand for the development of CAE provides a powerful driving force; the same time the rapid development of information technology, but also for the CAE technology to enhance the technical basis. Particularly in the national long-term goal of technology development needs, more CAE has brought unprecedented opportunities for development. In such a background, the wave in the limelight all Chinese CAE, we can do a lot, we should do too much.

In the simulation end of the year, wrote this article, to initiate and encourage one another. Current CAE software and industry in China, although the rapid development ushered in the spring, are still far from an innovation-oriented country Jianshe request is still some distance from the goal, how we Jiang CAE simulation of this card Zhenzheng big, Shi Qi effects of radiation Quan Guo, worth Each deep love and who dedicate their Chinese CAE seriously consider and work to put into action!

2008 is the world's Olympic year, will also be on the Chinese people proud. We firmly believe that 2008 will be the same Chinese manufacturing, "simulation", with the Chinese nation, "Simulation of years"!







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3DS Max 7 Mental Ray renderer whole strategy: global illumination

Part VI Mental Ray global illumination

The lesson we learn Mental Ray global illumination settings. Click here to download the scene files (ZIP compression, 20.6K). Mental Ray global illumination renderer is an advanced lighting algorithms that can achieve special color effects of light energy transfer, light is used to simulate the real environment.

1, create the basic scene. First create a rectangle. In the command panel, click the Create / Geometry button, click the Box tool in the Top view to create a rectangle, we will use it as a room. Set its parameters: Length: 100, Width: 100, Height: 60, as shown in Figure 1-1.



Figure 1-1

2, create a sphere. In the Create command panel, click the Sphere button, in order check the bottom of board Base to Pivot, and in the Top view to create a sphere, set its parameters: Radius value of 20, adjusted to Figure 1-2 location shown.



Figure 1-2

3, to create light. In the command panel, click Create / Lights, Omni button click in the Top view to create a flood lights, lights in the edit command panel projection options will open, and then adjusted to the Front view Figure 1 - 3 shows the location.



Figure 1-3




[Next]



4, create a camera. In the command panel, click Create / Cameras, click the Target button in the Top view to create a camera, as shown in Figure 1-4, and then activate the renderings, press the C key on the keyboard, the perspective into camera view.



Figure 1-4

5, by adding reverse normal order. Select graph rectangular, in the command panel, click the Modify button access to modify the command panel, in its drop-down list to add it to a Normal command, check the command panel below the Flip Normal command, and then adjust the camera observation point, this basic scenario we create complete end to create complete scene as shown in Figure 1-5.



Figure 1-5

6, for material settings. First let us make room for multi-dimensional material, as the room we are used to create rectangular, so the time specified in the materials we use multidimensional materials for the room type specified a color for each wall material, the main purpose of this production is In order to set the next step for global illumination effects for observing time. Press the M key on your keyboard to open the Material Editor, activate a material example of the ball, named "Room", it would be assigned to the scene of the cuboid. Click the Material Editor window below the Standard button in the pop-up browser window, select materials Multi / Sub-Object material type, then click the Set Number button, set the number of material 6, as shown in Figure 1-6.



Figure 1-6




[Next]



7, No. 3 materials will be set to blue, the fourth number is set to pink material, this material we will set the room finished, as shown in Figure 1-7.



Figure 1-7

8, material production sphere. In the material editor and then activate an example of the ball, it would be assigned to the scene of the ball, set the Ambient color to pure black, set the Diffuse color value R: 180, G: 180, B: 180, Figure 1 -8 shown.



Figure 1-8

9, scene rendering test. Using the Mental Ray renderer test rendering of the camera view, the effect shown in Figure 1-9.



Figure 1-9




[Next]



10, global illumination settings. Select the rectangle in the scene, click the right mouse button, the pop-up window, select Properties item, click into the Mental Ray settings item, check the Generate Global IIIumination produce global illumination options, this will launch a bright child cuboid, resulting in overall lighting effects. As shown in Figure 1-10.



Figure 1-10

11, the toolbar, click Render Scene Dialog tools to open the Render Settings dialog box, click into the Indirect lllumination column, check the Global lllumination option under Enable, so we opened the produce global illumination settings, shown in Figure 1 -11 shown.



Figure 1-11

12, test render. Accepted the default settings, use the Mental Ray renderer test on the camera view rendering, rendering shown in Figure 1-12.



Figure 1-12

13, adjust the overall lighting. Observe the scene we found the scene too bright bright child, then we can light to be adjusted. Select scene floodlights, click the Modify button access to modify the command panel, or by adjusting the value of Multiplie regulation under the Energy Global Multipliers value to adjust the size of sub-light brightness can be. As shown in Figure 1-13.



Figure 1-13




[Next]



14, the final aggregate results. Now we can not carry out the final rendering, it is because the use of global illumination for scenes rendered must be gathered to open a final option. The toolbar, click Render Scene Dialog tool rendering settings dialog box opens, click into the Indirect lllumination column, check the Final Gather option under Enable, so we opened up the final gathering effect, as shown in Figure 1-11 .



Figure 1-14

15, press the render button on the camera view to render, rendering results as shown in Figure 1-15, then we will find that playing with a very long time, at this time scenario of the effect is very good, both in the sphere around side have shown a wall color, room on the top and the ground also showed good results, this is the result of global illumination.



Figure 1-15

16, adjusting rendering speed. Just the time spent in rendering a lot of time, which for us made the scene in real time is very unfavorable, and we hope is that, when rendered in the regulation of the speed should be faster, and finally rendering the final scene graph can be slow number, and we pass the test found that by adjusting the render settings panel under the Final Gather Samples can greatly increase the value of rendering speed, as shown in Figure 1-16, will sample the value is set to 100 again this test rendering We will find a lot of speed, in practice, this value is adjusted smaller, again when the final drawing can be set too large a number.



Figure 1-16

17, bright child radius settings. To see the number of bright children, we can open the radius settings, render settings, command panel, first uncheck the Final Gather option under Enable, check the Global IIIumination option under Enable, check the settings of the Maximum Sampling Radius A value of 1, after the effect of rendering time as shown in Figure 1-17.



Figure 1-17




[Next]

18, in the rendering settings Command panel, uncheck the Maximum Sampling Radius entry, and then check the Final Gather option under Enable, check the Radius, set the value of 1, Check Min. Radius, set its value is 0.1, as shown in Figure 1-18, to render the scene at this time we will find that speed is still slow, this is because the radius is too small result, under normal circumstances, our actual application process, we should uncheck Min. Radius option, then set the Radius value of larger, this time rendering speed is still fast.



Figure 1-18

19, the Radius value set to 5, the final rendering of the scene, the effect shown in Figure 1-19.



Figure 1-19

20, this section Summary: The main lesson we learn from the Mental Ray global illumination settings approach, learning through this section, should grasp the following aspects:
(1) how to produce global illumination, global lighting necessary conditions? The right-click the object, its properties will be generated in the global lighting option is checked; the scene must be light, and in the Modify command panel to open the light Automatically Calculate Energy and Photons item; in the render settings dialog box, In the Indirect lllumination column, check the Global IIIumination option under Enable, so we opened the produce global illumination settings.
(2) How to adjust the overall brightness of lighting in the scene.
(3) how to improve the rendering speed of the global lighting scenarios.

Well, the lesson to learn on here, the next section we will learn Mental Ray's special lighting, please continue to pay attention PConline software information of 3DS Max part.






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Premier EDUCATION

Nokia's enemies

Harder and harder task for 5800

Over the past year, set off by the iPhone's touch-screen boom was removed for cell phone manufacturers and no security. Research NPD has released the latest data show that, iPhone is the U.S. market from June to August this year, the smart phone sales champion, the market share of 24%.

As the pioneers popular, then he would become a de facto standard, regardless of what other people had had the perfect plan. Nokia is now is the way to the smart phone market, hit the boom blocking the iPhone, and iPhone have come up with the same touch-screen phone.

Canadian smartphone maker RIM recently announced that it will touch the end of this year against BlackBerry BlackBerry Storm - though not to touch consumers more ways to manipulate the screen (no one can do this because Apple applied for a patent). Prior to Nokia mobile phone firm to touch out of their own outside of the mainstream product line, but on October 2 had to release the code for the 5800 touch-screen phone, the world's suggested retail price of 279 euros, is expected in the fourth quarter introduced.

As a first S60 fifth edition of the new system using touch-phone, the Nokia 5800 will be main audio and video entertainment market, in addition to support Xpress Music, but also built-in Nokia's "Comes with music" function, users can download free music.

5800 was not based on Symbian Foundation platform, and the iPhone and the G1 compared to the services provided are clearly inferior, but Nokia is still of great significance. This product can be at least in appearance and performance match with the iPhone and G1, to some extent stop the rookie who openly eroded the traditional market smart phones. Furthermore, Nokia is responsible for equipment operations, executive vice president 鍑ゥ浼婃柉濉?Mok pointed out, the application of the Nokia S60 platform will be fully compatible with the Symbian Foundation platform. In other words, 5800 will SPhone with smooth transition.

濂ヤ紛鏂鑾?said: "The application developers can now start developing applications for the Symbian platform. From a developer's point of view, everything had been ready."

Spend 410 million U.S. dollars launched an open platform, Nokia certainly hope that after two years of the Symbian mobile phone can also have the ability to compete with the iPhone and G1 cool feature, but programmers do not have embarked on this work.

Most open platform for Nokia's Symbian-see approach. First of all, is for programmers, there are no market; Some advocate the spirit of the hacker development of Symbian applications programmers are not interested, "so many years, who read the applications run on the Nokia?"

Android applications are developing a national programmer said, compared with the Android and iPhone, Symbian's software development platform this old will be even more troublesome, but it is, therefore, has been able to get satisfactory S60 programmer salary. As he and the general programmer on Symbian system is very strange, "Apple is using the C language, Android is JAVA, we can adapt to a change in the past two months, as Symbian, I do not know what development tools."

Nokia is behind the times?

"Connection" magazine recently listed the 3G version of iPhone used to complete the eight interesting, one of which is the mini-blog, built-in GPS functionality with a map tool. Have an emergency button, just one click you can send your current location to Tweet on. This feature is particularly useful in certain circumstances, for example, you run into Traffic Accident or abducted by the international terrorist organizations.

Very ridiculous but also very interesting, right? Look at this: your phone's built-in software can be combined with GPS technology, crime statistics by querying the online database, when you enter areas with a high crime rate, the software will be safety tips from the green red, and pop up an icon, want users to buy life insurance online.

A bit naive. However, considering that this is the design 12 years ago, not so funny. This is a Nokia 1996, called "dangerometer" software.

In addition to great success on mobile phone manufacturing, nearly 10 years, the Nokia wireless applications push the trend forward is the development of the most solid business strength. Is a basic condition and does not allow sales of Nokia mobile phones in the world, to develop this new market. One of the most critical investment course platform. The three shots in Symbian, Nokia is a full show foresight company.

In 1998, Microsoft spent five years developing launched mobile phone version of Windows, Windows Mobile, Microsoft's ambitions with the Windows operating system monopoly to establish its position in the mobile phone operating system. To counter Microsoft's mobile phone attempts, in June 1998 to Nokia at the core of the anti-Microsoft camp, Symbian was established. Since then Samsung has become a big worry for Nokia, Samsung mobile phone operating system in order to avoid leading the field, holding the Nokia 2004 Symbian.

On June 24 this year, in occasion of the 10th anniversary of Symbian, in order to fight against Google and its Android platform, Nokia acquired Symbian platform, a wholly-owned, and at the press conference to show some of the latest developments including digital maps, interior search, accessibility communications, wireless Internet-based services.

5800 also with Apple and Google against other things, such as the provision of music services ComesWithMusic compared favorably with iTunes, or even superior. Apple's iTunes software now legitimate online music dominated, 80% of the music from the Internet to buy genuine software users have to use iTunes. Perhaps ComesWithMusic will terminate the footsteps of iTunes. Promise a discount if Asia through music from record labels to obtain the copyright, who can purchase log record company's website to download songs. Soon the United Kingdom 5800 users can enjoy this service. For those who want to have portable music service, music can be downloaded permanently to retain their mobile phone or computer, as long as you have enough hard disk space.

This business is also greatly welcome the record companies. Warner, Universal Music and Sony BMG Music has signed with Nokia, respectively, to join ComesWithMusic plan. Some analysts estimate that companies can record 5,800 per month from each mobile phone to get 拢 4 fee, per 100 million Nokia phones can be brought to its nearly 50 million pounds of annual income.

Nokia and its partners did not disclose the price of the service, but they think that this business has great room for development. Nokia's Global Head of 鍒╁吂鏂芥灏?said: "We believe that this will largely enhance Nokia's long-term revenue."

For Apple, Nokia is clearly in the eye for an eye person in his body's way of war.







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