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结构分析

发表于:2017-02-15 09:56

结构分析

自从我们开发出全球第一个结构分析程序 Nastran 以来,时间已过去了近 50年。如今,MSC 软件将一如既往地为各种类型的工程应用开发最优秀的结构分析工具,让自己的悠久历史延续不断。
 

MSC 软件提供了用于有限元分析的一系列高性能解决方案,可满足初级工程师、经验丰富的专家与设计师以及介于两者之间的所有人的需求。这些解决方案可帮助工程师通过虚拟试验更深入地了解其产品,从而有助于公司应对其商业挑战。借助 MSC 的结构分析程序,工程师能够对许多不同类型的设计进行评估,在生产出实体产品之前就能对最终设计将会成功达到规定要求而胸有成竹。
无论是单个部件、大型复杂系统,还是线性静态、非线性动态问题,MSC 的结构分析功能将随着您的业务发展而不断增加,优化您的拥有成本,并为您实现目标提供支持。

MSC 软件可用于众多类型的结构分析:
  • •静态应力分析
    •线性动力学
    •非线性分析
    •多体动力学
    •多物理、流体—结构相互作用、热机耦合
    •多学科
    •优化
     
 
  • •静态与动态分析
    •热分析
    •高级材料建模
    •复合材料分析
    •超级元
    •DMP、SMP、GPU
    •FEA 与 MBD 集成
行业应用:

•航空航天与国防:机体应力与振动、起落装置和制动系统应力与振动、飞机结构系统分析、飞机子系统与零部件开发、复合材料结构
•汽车:下列系统的强度、耐久性、噪声与振动:汽车系统、白车身、装饰车身、底盘、传动系、闭合设备、暖通空调系统与部件、内饰部件;车辆碰撞与安全开发:安全气囊展开、车辆碰撞、顶部挤压;音响工程、内外部声学
消费品与包装:动力工具噪声与振动、玻璃成型、热成型、挤压、吹塑、热罐装、流体装瓶分析、热水瓶、烹饪用具与火炉、体育用品噪声与振动、强度与耐久性、复合材料
•电子:电-热-机械微执行器、微机电器件、锡焊、PCB 冷却、超声电机、结构螺线管执行器、冲击与跌落试验、振动、应力、疲劳
能源:冷却管、变压器、焦耳加热、电动层压、电容器、开关、断路开关;发电机振动与声音;风力发电机叶片与传动强度、振动与声音
政府与民用:公路隔音墙、爆炸与结构安全、事故调查
重型装备与机械:声学与振动分析、复合材料与弹性体硬化、炉窑、材料加工(包括切削、机加和锻压)
医疗:血液流量分析、输液袋、激光缝合、心脏及其他肌肉组织、除颤器、起搏器、人造瓣膜、假肢、人造关节、药物配送
造船:液体运输与晃动、事故调查、水下爆炸、电弧焊、声纳、舱体噪声控制、外部声学

ADVANCED MODELING FOR MATERIAL DAMAGE AND FAILURE


DETAILED COMPOSITE LAYUPS FOR IMPACT SIMULATION
 

MSC Software provides capabilities for modeling very broad spectrum of material types to meet the needs of many industries. Advanced Material modeling capabilities include:

  • Metals, plastics, rubbers, foam, composites, fluid, soil, reinforced concrete, rock and more
  • Composite laminates with per ply and stacking definitions
  • Combined thermal structural material models for multi discipline simulation
  • Extensive failure and yield models
  • Time, rate and temperature dependent material properties
  • Properties for De-lamination, crack propagation
  • Creep
  • Tabulated material properties
STRESS IN A HOSPITAL BED FRAME


TAPERED ROLLING SIMULATION

STRESS IN A LOWER CONTROL ARM
 

MSC Software develops tools with a wealth of capabilities that span numerous analysis types. Primary analysis types include:

  • Linear and nonlinear analysis
  • Static and dynamic analysis
  • Buckling analysis
  • Steady state, transient, frequency response, modal, and acoustic analysis
  • Multiphysics and multidiscipline analysis
  • High velocity and impact analysis
  • Damage, Failure, and wear analysis

MSC has been developing and delivering leading solution technologies for engineers over the last 50 years, often being driven by feeback from engineers. MSC carries a reputation of developing some of the industries' most advanced and reliable structural analysis programs.

900M DOF BODY-IN-WHITE MODEL


VEHICLE SYSTEM ASSEMBLY FOR INTERIOR ACOUSTICS
 

Complex structural systems and large assemblies require special capabilities for efficient and accurate analysis. MSC offers industry proven, high performance technology and methodologies for correctly and efficiently modeling and studying these types of models. These include:

  • Techniques for correctly modeling welded, glued, and fastened assemblies, as well as jointed connections
  • ACMS – Automated Component Mode Synthesis for faster, parallelized dynamic analysis of large models
  • External Superelements for use in assembly process – Superelements enable logical partitioning of a full-vehicle and reuse of component information helping reduce solution time
  • Robust 3D contact analysis to account for elaborate assembly interactions

MSC has developed and implemented some of the most efficient and accurate solver techniques and methods available. These programs can take advantage of the latest in shared memory parallel and distributed memory parallel high performance computing platforms, to help solve some of the largest and most difficult structural systems problems seen.

AUTOMATED REPORTING


STRUCTURAL FINITE ELEMENT MESH
 

MSC Software offers a comprehensive set of finite element modeling and analysis software that allow engineers, designers, and structural analysts to complete the analysis process from CAD to CAE Report. Key capabilities include:

  • Standalone or CAD embedded CAE modeling and analysis environments
  • Multi CAD import and native CAD access
  • Geometry creation and editing
  • Mid-surface extraction and geometry cleanup
  • Advanced solid and shell meshing tools and algorithms for linear and higher order HEX, TET, QUAD, TRIA and BEAM elements
  • 3D contact analysis
  • Material modeling including composite layups
  • Extensive toolsets for creating and assigning loads and boundary conditions
  • Analysis setup and job submission
  • Static and animated plots and charts for structural deformations, stresses, strains, and failure with scalar and vector quantities
  • Macro and template creation for automated simulation process and reporting
TOPOLOGY OPTIMIZATION


STOCHASTICS
 

During the design and development stage of the Product Development (PD) process, the goal is to identify the best design to meet a number of different requirements. This requires the ability to identify the feasible design space, and then to develop the best or optimum design. MSC offers solutions to help address design improvement and optimization through gradient based shape, size and topology techniques for structural component or systems and multi-run techniques to help understand the global behavior of a design, giving confidence that a robust design is delivered.

INTEGRATED MOTION–STRUCTURE SIMULATION FOR VIBRATION ANALYSIS


INTEGRATED MOTION–STRUCTURE SIMULATION FOR DURABILITY ANALYSIS

AIRCRAFT DITCH IN WATER WITH AIRBAGS
 

Obtaining correct loading and boundary conditions for a structural simulation can be challenging. The quality of the result of a simulation is directly related to the quality of the inputs. When it is difficult to obtain good loads and boundary conditions it is often best to rely on other CAE simulations to generate that information. This is where multidiscipline, coupled and chained simulations can both simplify the process of re-using simulation data, and improve the overall simulation fidelity, which in turn improves the quality of and confidence in the simulation. Here are some examples of how MSC’s solutions can improve your simulation capabilities:

  • Motion-Structure Integration:predictions by using flexible bodies in a multibody dynamics simulation; vehicle and aircraft frame/structure fatigue, fatigue life of the read/write heads on a computer hard disk drive
  • Coupled thermal-structural analysis can give more accurate stress results when accounting for both the thermal loads and the structural loads simultaneously - combined friction and pressure loading of brake disk and rotor
  • Fluid-Structure Interaction (FSI)- coupled solution provides more accurate fluid flow simulation when deformed structure is considered, and structure loading is more correctly applied on affected surfaces – tire hydroplaning; airbag deployment; blood flow over an artificial valve
  • Chained structural simulations will provide more accurate analysis for example by applying pre-loads/pre-stress before event simulation – aircraft engine blade-out simulation; automotive engine modal analysis
REPEATABLE PROCESS FOR BOTTLE TOP LOAD SIMULATION


SIMULATION PORTAL FOR MANAGING AND TRACKING SIMULATION PROCESSES, HISTORY AND CONTENT
 

除了能利用 CAE 仿真结构行为外,许多工程师和管理人员都关注确保仿真过程的可重复性,以保证结果高度可信、可对过程加以改进,同时还能快速重复这一过程,为设计研究提供支持并缩短产品开发时间。这种支持更高工程产出能力的副作用是生成了更多需要跟踪和管理的信息。MSC 提供了下一代解决方案,可帮助您捕获、创作及管理 CAE 过程和内容,并实现 CAE 战略和投资效益的最大化。


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