| 1. | Flow noise scaling at the stagnation point of an axisymmetric body 回转体驻点处的流噪声相似律 |
| 2. | Fundamental equations of thermoelastic finite element method for axisymmetric body 轴对称热弹性问题有限元基本方程求解 |
| 3. | Coupled finite element and wavelet boundary spectral method for sound - structure interaction analysis of axisymmetric bodies 轴对称体声振耦合的边界子波谱与有限元耦合方法 |
| 4. | On using wavelets to solve problem of acoustic radiation and scattering from axisymmetric body with arbitrary boundary conditions 子结构刚度对巨型框架减振结构体系的动态特性影响 |
| 5. | Then this model is chose to compute the cavitating problem . the panel method employs sources to solve the problem of partially - cavitation and super - cavitation for axisymmetric body . the sources are distributed on the bodies and cavity surfaces 通过在回转体表面和空泡表面分布源汇的方法,建立了求解回转体局部空泡与超空泡流场的数值方法。 |
| 6. | The main work in this paper includes four parts : the theory research on supercavitat ing axisymmetric bodies , the numerical computations of the pressure and the velocity of the supercavity surface , experimental investigations and computer simulation of supercavitation on axisymmetric bodies 本文的主要研究工作包括:鱼雷超空泡数学模型的理论分析、超空泡表面的压力和速度数值计算、超空化实验研究和超空泡可视化仿真四个部分。 |
| 7. | The main work in this paper includes three parts : the theory research on partially - cavitating and super - cavitating axisymmetric bodies , the numerical computations and experimental investigations on partially - cavitation and super - cavitation on axisymmetric bodies . after finishing the study of theory and experiment on the partially - cavitation and super - cavitation for axisymmetric body , i use the potential flow theory to build the mathematical model on the partially - cavitation and super - cavitation for axisymmetric body . many cavity wake models , such as pressure recovery close model , riabouchinsky model and re - entrant jet model , are studied seriously 本文在深入研究了回转体局部空化与超空化理论及实验结果的基础上,基于势流理论,建立了回转体局部空泡和超空泡流场的基本数学模型,通过对kinnas和fine 、 uhlman以及jiedang和gertkuiper等人基于二维水翼提出的压力恢复闭合模型、镜像板模型和回射流模型等空泡尾流模型进行了逐一的研究分析,发现其中的压力恢复闭合模型较适用于模拟回转体空泡尾部流场,并选用此空泡尾流模型作为求解回转体空化流场正问题与逆问题的数学模型的组成部分。 |
| 8. | According to the mathematical model and the numerical method , the cavity shape and hydrodynamic characteristics of two kinds of head shape on cavitating axisymmetric bodies at zero attack are computed in this paper . because the discretization method have effect on the convergence of the results , different kinds of discretization are employed in the partially - cavitating and super - cavitating flows 依据建立的数学模型与数值方法,对两种典型的回转体头部线型(即头部为光滑过渡曲线的回转体和头部有突变角度的回转体)的局部空泡和超空泡绕流场进行了数值计算。 |