Adams
通常直到设计过程即将结束，产品制造商都要一直尽其所能地去了解真实的系统性能。在系统的整个工程过程中都要针对具体要求对机械、电子及其他子系统进行验证，但全系统的试验和验证会较晚进行，这与尽早进行这些试验相比，由此导致的返工和设计更改的风险和成本都会上升。
仿真“现实世界”物理现象
作为世界上使用最广泛的多体动力学（MBD）软件，用过ADAMS尽早进行系统级设计验证，可以提升工程效率、降低产品开发成本。工程师可评估并管理包括运动、结构、驱动和控制在内的各学科之间复杂相互作用，以便更好地优化产品设计的性能、安全性和舒适度。凭借广泛的分析能力，Adams 可充分利用高性能计算环境对大型问题进行优化。
利用多体动力学求解技术，Adams 仅用 FEA 求解所需的小部分时间便可完成非线性动力学的运行。通过更准确地评估载荷和作用力在各种运动及工作环境中的变化，Adams 仿真所计算的载荷和作用力改进了 FEA 的精度。
MSC Adams 2014 | 1.4 Gb
MSC Software Corporation, the leader in multidiscipline simulation solutions that accelerate product innovation, has released the 2014 version of its Adams multibody dynamics simulation solution suite. Adams 2014 introduces new native nonlinear part modeling and analysis as well as a functionality for co-simulation between Adams and MSC’s Marc nonlinear finite element analysis (FEA) solution. These enhancements, says MSC, address the challenge of efficiently designing and testing mechanical systems that result from the lack of a smooth integration between system dynamics and FEA domains. Adams 2014 also extends the solution set’s machinery and automotive industry versions with a new Cam Module in Adams/Machinery and extended vehicle modeling and rollover events capabilities in Adams/Car.
Adams 2014 debuts FE Part, a new Adams-native modeling object for very large deformation use cases that specifically consider geometric nonlinearity. The formulation options, explains MSC, are based on its adaptations of the Absolute Nodal Coordinate Formulation (ANCF) and Geometrically Exact Beam Formulation (GEBF). With these capabilities, engineers can more accurately calculate dynamic loads for geometrically nonlinear parts within a multibody dynamic system, according to MSC.
FE Part offers a basic 2D option as well as a 3D Beam formulation option. The latter MSC portrays as a 3D, fully geometrically nonlinear representation useful for beam-like structures. A new FE Load feature provides the Adams/View pre-processor with support for the creation, visualization, and modification of FE Parts as well as the application of distributed loads. MSC reports that in some benchmark test cases, modeling time was reduced from 8 hours to 30 minutes.
The new Adams-Marc co-simulation capability enables users to perform co-simulation between Adams and Marc nonlinear FEA software. This functionality, explains MSC, lets engineers using Adams for multibody dynamics increase model accuracy by including geometrically and materially nonlinear structural behavior, while engineers performing FEA can study components with realistic boundary conditions.
The co-simulation, says MSC, delivers “dramatic time savings” for users running nonlinear FE analyses because they can now simulate some rigid moving parts in Adams rather than in the FEA environment.
MSC says that the new Adams/Machinery Cam Module provides easy-to-use modeling of cam-follower systems that may comprise various combinations of cam shapes, follower motions, follower arrangements, and follower geometry. The Cam Module, the company adds, makes cam model creation much faster and makes design changes to mechanism motions and the cam profile easier to perform.
New vehicle modeling improvements in Adams/Car include stability events, FTire animations and SmartDriver enhancements. Adams/Car now provides three new rollover stability test events: Embankment, Corkscrew and Sand Bed. For tire force elements used in vehicle ride and stability studies, Adams/Car 2014’s FTire contact forces and tire deformation forces can now be animated within the Adams/PostProcessor. According to MSC, this capability should provide engineers with higher-fidelity analysis and visualization of vehicle ride events such as tires rolling over various surfaces.
MSC says that Adams/Car 2014’s SmartDriver enhancements address the continuing evolution of vehicle performance and handling tests and the need to model and simulate these events virtually. Enhancements to SmartDriver include improved backwards driving for open loop events with support for both simple and automatic powertrains, additional speed profile spline interpolation improvements, continuous target acceleration and smoother throttle and brake signals.
Name: MSC Adams
Version: 2014
Home: www.mscsoftware.com
Interface: english
OS: Windows XP / Vista / Seven / 8
Size: 1.4 Gb
Note: Used last release from simulia, so perhaps not all new modules/functions are available with old license.
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