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- Based on the acoustic transfer vector concept(ATV),the application approach to structural acoustic radiated prediction using the ATV technology for I.C.engine was studied. 基于声传递向量(ATV)的概念,研究探讨了ATV技术在内燃机结构辐射噪声仿真预测上的应用方法和途径。
- Research on Structural Acoustic Radiation Prediction for ICE Based on ATV Technology 基于ATV的内燃机结构声辐射预测技术研究
- Analysis of shell structural acoustic radiation using finite element method-virtual boundary element method 用有限元-虚边界元法分析壳体结构的辐射声场
- Acoustic Sensitivity Study of Structure Acoustic Radiation Baed on BEM Method 结构声辐射边界元声学灵敏度研究
- structural acoustic radiation 结构声辐射
- In order to reduce sound radiation of a structure, the method of Active Structural Acoustic Control (ASAC) was developed in the 1980s. 自八十年代后期以来，为了更为有效地降低结构声辐射，人们提出了主动结构声学控制(ASAC)。
- In the active structural acoustic control based on radiation modes,the cancellation of the dominant radiation modes and determination of the arrangement of secondary forces are of virtual important. 在基于声辐射模态理论的结构声有源控制中,主导辐射模态的确定及抵消策略是至关重要的,它直接决定次级力源的优化布放及有源控制的效果。
- It is important in ASAC system based on acoustic radiation modes to obtain adjoint coefficient of the radiation modes. 基于声辐射模态理论进行ASAC控制系统中的一个重要内容就是获得声辐射模态伴随系数。
- It is important in ASAC based on acoustic radiation modes to obtain adjoint coefficients of the radiation modes. 声辐射模态伴随系数的获取是基于声辐射模态理论进行 ASAC控制中的重要环节。
- An error sensor strategy is a key step in implementing an active structural acoustic control(ASAC). 误差传感策略是实现主动结构声学控制的关键的一环。
- A mathematical model about acoustic radiation from structure submerged in unbounded sound field was developed using boundary element method. 摘要建立了无界声场中结构体声辐射的边界元数学模型。
- The examples actualize analysis of bilateral coupled vibration and acoustic radiation by using transitivity of CAE software results. 还利用CAE软件结果的可移植性，考虑了半封闭加筋圆柱结构内外分布不同介质时，实现了双边耦合振动声辐射分析求解。
- Boundary element methods are used to calculate acoustic radiation of the piping system, which provides the theoretical direction for decr... 计算分析结果表明,本文所建立的振动和声辐射模型及算法有效,有助于该类问题的解决。
- Based on the acoustic radiation mode analysis, the transfer matrix relating the pressure at every field point to normal component of surface velocity is formed. 摘要基于声辐射模态分析，建立了外部场压和结构表面振动速度之间关系的传递矩阵。
- Vibration transmission and underwater acoustic radiation characteristics experiment of floating raft system has an important technical application prospect. 对浮筏系统的振动传递及水下声辐射特性进行试验研究有其重要的工程应用前景。
- The transducers in acoustic logging tool are usually cylindrical piezoelectrical transducers and their acoustic radiation and acceptance have preferred directivity. 换能器的声辐射与接收指向性由其形状与尺寸确定。
- A coupled FEM/BEM for solving fluid-structure interaction problem in structure-borne noise propagation and underwater acoustic radiation is present in this paper. 摘要本文以偶合的有限元素／边界元素法，来处理结构噪音传播与水中噪音辐射中弹性结构物与流体之互制问题。
- Active Structure Acoustic Control(ASAC) is the leading field in the area of Vibration and Noise Control. 结构振动声辐射主动控制技术(ASAC)是目前国际上振动噪声主动控制研究领域的前沿方向之一,有着巨大的潜在应用价值。
- A synmmetrical finite element model for structure acoustic coupling analysis of the automobile passenger compartment is set up. 建立了车辆乘坐室声振耦合分析的对称有限元模型。
