| 1. | Experimental analysis of vibration amp; acoustic characteristics of guitars
吉它弦乐结构声振特性的实验分析 |
| 2. | Prediction of structure - borne emission for resiliently mounted machine
弹性安装条件下机器结构声功率流的预测 |
| 3. | A simulation study of stress of aircraft structures subjected to acoustic excitation
航空结构声激励应力的仿真研究 |
| 4. | Standard practice for acoustic emission monitoring of structures during controlled stimulation
受控激励时结构声发射监测的标准实施规程 |
| 5. | An engineering analysis method of sound - machine coupling resonance in a labyrinth gas seal device
一种篦齿封严结构声固耦合共振分析的工程方法 |
| 6. | 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 ) 。 |
| 7. | The structure - borne institute noise sending out by outdoor cabinet of air conditioning is calculated using fem / bem and software both commercial and self - developed
摘要采用有限元与边界元耦合的方法，编写了相应程序对空调室外机箱的激励进行处理并对其结构声辐射进行了计算。 |
| 8. | The theories and numerical methods developed for analyzing the dynamic behaviors of viscoelastic laminated composite plate and for predicting the sound radiation properties of submerged composite structures are reviewed also
介绍了声场和水中弹性结构声振耦合问题求解的理论及数值方法的研究情况。 |
| 9. | Using the plane wave expansion method , from the computation result for the band gaps structure of infinitd periodic one dimension phononic crystal , it is found the width of the first gap relates with the material portion ratio
利用平面波展开法，计算一维无限周期结构声子晶体的带隙结构，发现每一带隙的宽度与材料的组份比有关。 |
| 10. | Abstract : by drilling holes on the surface , adding damping and isolating vibration to the roller , the vibration and noise radiation are not onl y reduced , but vibration energy of transmission to the surrounding objects is al s o restrained
文摘:通过对辊筒进行表面处理、附加阻尼装置和采用隔振措施,不但减少了辊筒的振动和噪声而且抑制了辊筒振动能量向支架、地基传递,避免二次结构声。 |
