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boundary element model
相关语句
  边界元模型
    A finite element and boundary element model updating method was proposed,which is based on frequency response functions(FRF) of structure vibration and acoustic system by experiment and numerical computing respectively.
    由结构的数值计算和试验测试得到的频响函数,给出两者的相关函数及其灵敏度的表达形式,提出了一种模型修正方法,为有限元/边界元模型修正奠定理论基础.
短句来源
    A boundary element model is established,making use of the ANSYS. In the noise simulation SYSNOISE is applied to get estimable simulation results of aircraft noise close to ground.
    建立了某型军用飞机的ANSYS边界元模型,用声学有限元-边界元仿真软件SYSNOISE进行了噪声仿真,获得了飞机噪声在地面附近的辐射结果.
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  boundary element model
An algorithm based on the maximum tensile-stress criterion is then developed and incorporated into the boundary element model to predict the paths of cracks propagating in layered elastic materials.
      
An efficient boundary element model for calculating Green's functions in fracture mechanics
      
A boundary element model was used to predict the stress changes as required by the fitting approach.
      
A boundary element model for acoustic-elastic interaction with applications in ultrasonic NDE
      
An iterative minimum-norm approach is presented for the calculation of pseudo-primary current dipoles within the human heart from the magnetocardiogram using an inhomogeneous boundary element model of the human torso.
      
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A finite element and boundary element model updating method was proposed,which is based on frequency response functions(FRF) of structure vibration and acoustic system by experiment and numerical computing respectively.The method is used to update a submarine finite element model.The correlation functions and sensitivity algorithm between the experimental FRF and initial finite element analysis FRF were attained.The finite element updated model was validated by the mode experiment....

A finite element and boundary element model updating method was proposed,which is based on frequency response functions(FRF) of structure vibration and acoustic system by experiment and numerical computing respectively.The method is used to update a submarine finite element model.The correlation functions and sensitivity algorithm between the experimental FRF and initial finite element analysis FRF were attained.The finite element updated model was validated by the mode experiment.

由结构的数值计算和试验测试得到的频响函数,给出两者的相关函数及其灵敏度的表达形式,提出了一种模型修正方法,为有限元/边界元模型修正奠定理论基础.对带有发动机和隔振系统的舰艇进行了振动频响函数的测试,得到与初始有限元/边界元模型理论计算的相关函数,利用模型修正方法对选用的特定参数进行了修正.通过与模态试验结果的比较,验证了基于振动频响函数灵敏度分析的结构有限元模型修正方法的正确性.

Based on the demand for noise control and protection,a study on the noise diffuse and intensity of military aircraft is carried out.A boundary element model is established,making use of the ANSYS.In the noise simulation SYSNOISE is applied to get estimable simulation results of aircraft noise close to ground.A minitype wireless noise measure system is designed to act as an automonitor,which has been proved to be a practical device.

为满足军用飞机近场噪声的控制和防护需求,对飞机噪声的传播和分布特性进行研究.建立了某型军用飞机的ANSYS边界元模型,用声学有限元-边界元仿真软件SYSNOISE进行了噪声仿真,获得了飞机噪声在地面附近的辐射结果.设计了一种可用于机场无人监测的专用无线噪声测试系统.试验结果表明,该系统可以有效获得飞机的噪声数据,测试结果与仿真结果比较吻合.

 
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