整车设计过程仿真

（注：本文是译文，original text from www.mscsoftware.com)

It is difficult to accurately estimate the cost savings we have obtained through virtual product development (VPD) but we are certain that it amounts to millions of dollars per year across our complete product line.”

我们很难准确估计通过虚拟产品开发（VPD）所获得的成本节约，但我们确信在整个产品线上，每年节约的成本是数百万美元。



Solutions for STRUCTURAL ANALYSIS
结构分析解决方案
MSC Software’s highly scalable structural analysis solutions enable engineers to simulate components, assemblies and full vehicles. MSC’s proven technologies help engineers:

...tackle complex problems with confidence:

Analyze structures and their interactions for linear and nonlinear behavior.

Perform complete assembly analysis of powertrain and suspension components.

Improve performance of seals and mounts with accurate nonlinear analysis.

Analyze composite structures subjected to static, dynamic and thermal loads.

...achieve high-fidelity validation:

Obtain system loads for accurate stress analysis.

Improve accuracy of multibody dynamic studies with modal results from finite element analysis.

Conduct co-simulation with multibody dynamics (MBD) and finite element analysis (FEA).

...accelerate analysis of large models :

Perform full-vehicle studies with the help of robust high performance computing and superelements

Perform faster, parallelized dynamic analysis of large models with Automated Component Model Synthesis.

MSC软件的高度可扩展的结构分析解决方案使工程师能够模拟组件和整车。MSC的验证技术帮助工程师：

用信心解决复杂的问题：

分析结构及其相互作用的线性和非线性行为。

完成动力总成和悬架部件的装配分析。

通过精确的非线性分析提高密封件和支架的性能。

分析受静态、动态和热载荷作用的复合材料结构。

实现高保真度验证：

获得系统载荷以进行精确的应力分析。

利用有限元分析的模态结果提高多体动力学研究的精度。

进行多体动力学（MD）和有限元分析（FEA）的联合仿真。

…加速大型模型的分析：

在强大的高性能计算和超单元的帮助下完成整车研究。

用自动化组件模型完成大型模型的动态分析。



Solutions for SAFETY安全解决方案
Testing performance of all of a vehicle’s components and systems working simultaneously is crucial for ensuring the safety of its occupants. MSC’s solutions provide a complete set of technologies for testing control systems, multibody dynamics and explicit dynamics to simulate various driving maneuvers and vehicle behavior to achieve the highest fidelity crash simulations.

...improve collision-related outcomes:

• Gain valuable insight into large strains, deformations and structural failures during crash events involving single or multiple vehicles.

• Model interaction between multiple components and assemblies and the resulting structural and material failure.

• Perform roll stability events to improve predictive capabilities of passive safety simulations.

...prepare for the unexpected:

• Study the influence of fluid pressures during events like hydroplaning and gas tank sloshing.

• Analyze the complex behavior of airbags during deployment under various crash scenarios.

• Conduct MBD-Controls cosimulation to evaluate controls strategies for Automatic Braking Systems (ABS).

• Reduce braking distances by optimizing controls algorithms in the MBD environment to meet Federal Motor Vehicle Safety Standards.

所有车辆部件和系统同时工作的性能测试对于确保其乘员的安全至关重要。MSC的解决方案提供了一套完整的技术测试控制系统，多体动力学和显式动力学模拟各种驾驶演习和车辆行为，以实现最高逼真碰撞模拟。

改善碰撞相关结果：

在涉及单个或多个车辆的碰撞事件中获得大的应变、变形和结构失效的有价值的观察。

对多个组件和组件之间的交互作用建模分析结构和材料失效的结果。

执行滚动稳定性事件以提高被动安全模拟的预测能力。

……为意料之外的事情做好准备：

研究诸如滑行和气罐晃动之类的事件中流体压力的影响。

分析在各种碰撞情况下气囊展开过程中的复杂行为。

进行MD控制协同仿真，以评估自动制动系统（ABS）的控制策略。

通过优化MD环境中的控制算法以满足联邦机动车安全标准来减少制动距离。