patran

Engineering applications of structural optimization system based on Patran / Nastran

基于Patran/Nastran的结构优化系统的工程应用

PATRAN / NASTRAN , mainly static strength analysis and modal analysis .

PATRAN/NASTRAN对灯泡贯流式水轮发电机组的关键部件之一&主轴进行了静力强度分析和振动模态分析。

The exploitation and application of smart marine structure analysis in Patran / Nastran

船舶智能结构压电分析Patran/Nastran开发及应用

Research of Hybrid Stress FEM and Its Integration with MSC / PATRAN

杂交应力元的研究及其与MSC/PATRAN的集成

A multilevel optimization for layer design of composite structures based on PATRAN / NASTRAN

基于PATRAN/NASTRAN的复合材料结构铺层的分级优化设计方法

Pre and Post Processor Development Based on MSC / Patran and Applications of Structural Optimization System

基于MSC/Patran的结构优化系统前后置开发与应用

Analysis of Interlayer Structure of Composite Material by MSC Patran / Nastran

利用MSCPATRAN/Nastran分析复合材料夹层结构

Development of Test Data Tracking , Analyzing and Processing System for Aircraft Structural Strength Based on MSC / PATRAN Platform

基于MSC/PATRAN的飞机结构强度静力试验数据实时跟踪与处理系统开发

In this method , structure analysis was connected with genetic algorithm program by PCL ( Patran command language ) .

优化过程中，用PCL语言编制了结构计算程序，实现了结构分析与遗传算法的联接。

Based on PATRAN / NASTRAN and a combination of direct search method and orthotropic experiment method , an effective optimization system was established .

在PATRAN/NASTRAN的基础上，采用直接搜索法与正交试验法相结合的优化方法，建立了一套实用的优化系统。

The research of this connection under monotonic and cyclic loading is simulated using MSC . PATRAN / MARC software .

PATRAN/MARC软件模拟该连接在单调荷载和周期荷载作用下的试验。

It presents the result of modal test and finite element analysis by MSC / Patran ( Nastran ) for a are structure .

研究了圆弧拱结构的模态试验结果及利用MSC/Patran（Nastran）有限元分析计算模态的结果。

PATRAN / NASTRAN , and the first several orders of natural frequencies and modal shapes are calculated with eigenvectors method .

PATRAN/NASTRAN建立了Hα与白光望远镜的有限元模型，采用特征向量法求得前四阶固有频率和振型。

Analyze the working principle of the motor , and carry on the simulation analysis to the mechanism by MSC Patran / Nastran finite element software .

对电机工作原理进行了分析研究，采用MSCPATRAN/Nastran有限元软件对机械结构进行了仿真分析，并对所开发的电机样机进行了实验测试。

Patran / Nastran finite element method simulation software . The calculating method for load is presented , and the design feasibility is discussed according to the simulation result .

Patran/Nastran有限元分析软件进行数字化建模的过程，给出了天线载荷的计算方法，并根据系统仿真给出的分析结果，论证了设计方案的可行性。

Based on the CAD model , finite element model of the frame and the free modal analysis are done with MSC . PATRAN / NASTRAN .

PATRAN/NASTRAN建立其有限元模型，进行自由模态的计算机仿真分析；

The method of meshing is expounded in this paper . According to the model simplification principle , the computational model is established with MSC / Patran .

笔者阐述了风洞主体结构的网格划分方法，根据模型简化原则，通过MSC/Patran建立了有限元计算模型；

With MSC / Nastran software as structural analysis solver and MSC / Patran software as developing platform , the sectional optimization software of membrane structures was accomplished .

以MSC/Nastran软件作为结构分析的求解器，以MSC/Patran软件作为开发平台，完成了膜结构截面优化程序。

In addition , the present optimal model and its algorithm have been implemented by means of the MSC / Patran software platform using PCL ( Patran Command Language ) .

另外，利用PCL语言在MSC/Patran的开发平台上实现了该文算法。

Then it introduces , the basic principle of finite element and the virtual prototyping , and the principles and appling of Patran / Nastran and Adams .

分别阐述了有限单元法和虚拟样机技术的基本理论，同时对大型有限元计算软件PATRAN／NASTRAN和机械动力学软件ADAMS的原理和应用情况给予介绍。

Then the models of the two structures were created and optimized by the software of MSC . Patran & Nastran , got the optimized wing structure size and weight .

利用有限元软件MSC.Patran&Nastran对两种结构方案建立有限元模型，并对两种方案进行结构优化设计，得到优化后的尺寸和重量。

The FEA for the device and correlative parts was applied to verify their intension and impact on the instrumentation accuracy with MSC . Patran / Nastran .

Patran/Nastran对限位机构和相关部件进行了有限元分析，校核机构的强度和对整个设备精度的影响。

For comparison , the finite element model is built with MSC / PATRAN and the method combining fluid Boundary Element Method and the experimental formula is also carried out with MSC / NASTRAN .

用MSC/PATRAN建立有限元模型，在MSC/NASTRAN平台上主要对流体边界元法、经验公式法进行结构的流体附加质量计算的对比研究和计算。

PATRAN / NASTRAN , creatingloads / boundary constraints of boom and arm according to simulation results from ADAMS , and then completing FEA of them .

PATRAN/NASTRAN下，以ADAMS仿真分析结果为依据，建立了动臂和斗杆的边界条件，分别进行有限元分析。

This research is done on 3D Modeling , Motion and FEA of AVEN based on the software platform of UG , MSC / PATRAN and MSC / NASTRAN .

以UG和MSC/NASTRAN、MSC/PATRAN为软件平台，对中国燃气涡轮研究院提供的轴对称矢量喷管（AVEN）方案的运动机构进行了三维实体建模、运动仿真和有限元强度分析等方面的研究。

In this paper , firstly we built a finite element model of the folding wing by MSC / PATRAN and solved the main vibration modes in case of varied folding angles by NASTRAN .

在本文中，首先用MSC/PATRAN建立了折叠翼的有限元模型，然后用NASTRAN求解出折叠翼在各折叠角下的主要振动模态。

Based on MSC / NASTRAN software , this paper uses the PATRAN / PCL ( PATRAN Command Language ) to secondly develop a new software of optimum design module for sectional optimization of truss structures .

本文利用MSC／PATRAN提供的PCL语言，针对桁架结构的截面优化对MSC／NASTRAN优化模块进行了二次开发。

Patran / Nastran is used to analyze the stress and deformation of the structure based on the data of process test , and appropriate process parameters are obtained . Finally , strengthen ring is completed by means of filament winding .

Patran/Nastran对该结构进行应力和形变分析，并确定了合适的成形工艺参数，完成了转子加强环试验件的制作。

The method could be implemented easily with the help of commercial FEM analysis softwares . A universal control simulation interface was established in structure analysis package PATRAN / NASTRAN environment with the programmable PCL ( patran command language ) .

该方法可借助于商用结构有限元分析软件来实现，简便易行，在PAT-RAN/NASTRAN环境中利用PATRAN命令语言PCL（Patrancommandlanguage）建立了通用结构控制仿真平台。

KPa . This paper analyzed the stress and strain on the exterior surface of human skull and the composite structure composed by skull and duramater with the finite-element software MSC_ - PATRAN / NASTRAN .

本文在颅内压正常波动值范围内，通过有限元MSC-PATRAN/NASTRAN软件分析了颅骨三层复合结构以及颅骨与硬脑膜组成的四层复合结构的表面应力和应变；