The origins of CAD and CAE are different, and the roles achieved in modern industry are also inconsistent. CAD pays attention to the shape characteristics of products to provide graphic images and digital models. CAE pays more attention to the problem of product physical characteristics. Although it also pays attention to the influence of product appearance on other properties, the research object is product physical properties instead of External features. However, with the gradual realization of modern industrial informatization, the separation of R&D, design and production will generate repetitive inputs. At the same time, the various links that are separated from each other will also reduce the efficiency of digital industrial processes. For example, in the automobile manufacturing industry, the conventional process is R&D, design, verification, and production. After adopting CAD and CAE technology, the time of each link can be greatly reduced through digital modeling, simulation test, and the like. However, this process is not a one-way pipeline, but an iterative process. The problems found in the verification phase need to be returned to the design stage for modification. The flow of the process between the links is often inefficient and difficult to share information. It is difficult to reflect the advantages of the digital process. In this case, the mutual integration and mutual penetration of CAD and CAE technologies has become a spontaneous and effective demand for industrial users. With the help of new CAD and CAE integrated technology products, industrial R&D and design have realized the transition from experience design to computer-aided design. Designers have moved from 2D to 3D. The finite element analysis personnel can conveniently use the pre-processing mesh to form the finite element model on the 3D solid geometry of the structural member, and display the calculation result after the computer solution is completed, and the visualization of the calculation result (animation display) is made. The calculation results are clear at a glance. The finite element analysis and the pre- and post-processing functions are continuously developed and improved, and more and more automated and intelligent. The accuracy of the finite element analysis calculation results is also constantly improving. CAE is synchronized with CAD. CAD provides digital feature model for CAE. CAE guides CAD and CAE provides the basis for CAD. The emergence of CAD and CAE integration technology has reduced industrial processes, and the R&D and design processes have been basically integrated, which can greatly shorten product cycles and improve product quality.
ANSYS Workbench Environment (AWE) is a new generation of pre- and post-processing environment developed by ANSYS. It is defined as a CAE collaboration platform, which provides high integration with CAD software and design flow, and the new version adds many software modules of ANSYS. A number of commonly used functions have been implemented to enable rapid application of CAE technology for analysis in product development, thereby reducing product design cycles and increasing product added value.
(1) Two-way correlation with CAD software. AWE is bidirectionally linked to the physical and surface models in the CAD system through a unique architecture, with a higher CAD geometry import success rate. When the CAD model changes, there is no need to redefine the applied loads and constraints; AWE and CAD systems The two-way correlation also means that the parameter management of AWE can easily control the parameters of the CAD model, thereby improving the design efficiency; this function of AWE can also analyze multiple design schemes and automatically modify the geometry of each design scheme. model.
(2) A fully parametric analysis environment. The CAD software adopts the parameter design, which plays a great role in improving the design efficiency. It only needs to change a few values ​​to complete a variety of design solutions. AWE is the first to introduce this technology in CAE software, which can control CAD geometric parameters and analysis parameters such as material, force direction and temperature. This innovation makes AWE have a real two-way relationship with various CAD software through interactive parameters. Management can easily input a variety of design options, with a single click of the mouse, parameters can be automatically transferred back to the CAD software, automatically modify the geometric model.
(3) Automated, intelligent analysis process. ANSYS Workbench is capable of adaptive meshing, automatically adjusts the mesh density for areas with high precision requirements; intelligent meshing, generating elements with good shape and characteristics to ensure high quality of the mesh; automatic convergence technology is automatic The iterative process, through adaptive meshing to achieve the required accuracy of the specified results; automatic solver selection, automatically select the appropriate solver solution according to the type of problem solved.
With the continuous deepening of independent innovation in the industry, the software, hardware environment and requirements in the CAD and CAE fields have undergone significant changes. On the one hand, users' trust and dependence on CAD and CAE technologies are getting higher and higher. The application scope and depth of CAD and CAE technologies are constantly expanding and extending. The scale and complexity of computing are rapidly expanding, and the performance of computers is The requirements are also greatly improved accordingly; on the other hand, due to the differences in the roles of CAD and CAE software and the differences in the development process, the hardware requirements are not completely consistent. For CAE, the required computing performance is higher, while for CAD Software, not only requires a single machine speed, but also for personal use, the requirements for graphic display are quite high.
Dawning's latest PHPC100 personal high-performance computer not only meets the requirements of large-scale computing, but also has good support in graphic display, and can realize CAD and CAE solutions well. As a dual-core/quad-core server designed by Dawning for office applications, it not only surpasses traditional rack-mounted servers in terms of computing performance, but also features high stability, high availability, high expansion, high density, and high performance. Putting the user's use and experience at a more important level, so that users can not only get efficient production efficiency, but also bring users a new experience, perfect for high-performance servers and high-end graphics workstations in the office environment. combination.
Dawning PHPC100 personal high-performance computer adopts the industry-leading modular design concept, integrates power modules, cooling modules and communication modules in one chassis, and achieves unified intelligent management, which greatly reduces the management cost and maintenance complexity; The calculation module integrates two quad-core processors within one node, enabling high-efficiency smp calculation on a single node; advanced module design concept, with high scalability and dynamic on-demand configuration; Built-in advanced Gigabit network and Infiniband switching network, customers can quickly and easily deploy an efficient cluster environment; high-density, low-noise, low-power design, the server's requirements for the working environment are minimized, can be deployed in individuals The office environment, the personalization of the server; the creative introduction of high-speed IO expansion slots, the conversion from high-performance servers to high-end graphics workstations, the integration of graphics workstations, servers, clusters.
Utilizing the hardware platform of Dawning PHPC100 personal high-performance computer and the leading ANSYS Workbench Environment in the industry, it can provide users with a CAD and CAE integrated solution that meets the requirements of conventional applications.
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