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扫描几何结构

特性:

KLIPPEL R&D系统
圆柱坐标系中表面的几何结构SCN, POLY
以dxf、stl和其他格式导出SCN

音盆、膜片和其他辐射器的几何形状结构对机械振动和辐射特性有显著影响。因此,必须定期检查最终原型的几何形状以及使用工具的准确性。现代数值设计工具(有限元法、边界元法)需要精确的几何数据作为输入。

The geometry of the cone, diaphragm and other radiators have a significant influence on the mechanical vibration and radiation characteristics. Therefore, the geometry of the final prototypes and the accuracy of tools have to be checked on a regular basis. Modern numerical design tools (finite element method, boundary element method) need precise geometrical data as input. 

 

The Scanning Vibrometer (SCN) uses a turntable and two linear actuators for scanning of arbitrary surfaces in polar coordinates.



标准

音频工程学会
AES2 Recommended practice Specification of Loudspeaker Components Used in Professional Audio and Sound Reinforcement (AES2推荐的用于专业音频和声音增强的扬声器组件的实用规范)




论文和预印本

W. Klippel, et al., “Distributed Mechanical Parameters of Loudspeakers Part 1: Measurement,” J. of Audio Eng. Soc. 57, No. 9, pp. 500-511 (2009 Sept.).

W. Klippel, et al., “Distributed Mechanical Parameters of Loudspeakers Part 2: Diagnostics,” J. of Audio Eng. Soc. 57, No. 9, pp. 696-708 (2009 Sept.).

F. J. M. Frankort, “Vibration Patterns and Radiation Behavior of Loudspeaker Cones,” J. of Audio Eng. Soc., Volume 26, No. 9, pp. 609-622 (September 1978).

A. J. M. Kaizer, “Theory and Numerical Calculation of the Vibration and Sound Radiation of Cone and Dome Loudspeakers with Non-Rigid Diaphragms,” presented at the 62nd Convention of the Audio Eng. Soc., March 1979, Preprint 1437.

A. Chaigne, et al., “On the Influence of the Geometry on Radiation Electrodynamic Loudspeakers,”    presented at the 120th Convention of the Audio Eng. Soc., (May 2006), Preprint 6775.

P. J. Anthony, et al., “Finite-Element Analysis in the Design of High-Quality Loudspeakers,”   presented at the 108th Convention of the Audio Eng. Soc., February 2000, Preprint 5162.

M. Karjalainen, et al., “Comparison of Numerical Simulation Models and Measured Low-Frequency Behavior of a Loudspeaker,” presented at the 104th Convention of the Audio Eng. Soc., May 1998, Preprint 4722.

J. Wright, “Finite Element Analysis as a Loudspeaker Design Tool,” Paper MAL-11; Conference: AES UK Conference: Microphones & Loudspeakers, The Ins & Outs of Audio (MAL), March 1998.

H. Vollesen, “Control of Loudspeaker Directivity by Mechanical Optimization of the Diaphragm,” presented at the 94th Convention of the Audio Eng. Soc., March 1993, Preprint 3528.

A. Kaizer, “Calculation of the Sound Radiation of a Nonrigid Loudspeaker Diaphragm Using the Finite-Element Method,” J. of Audio Eng. Soc., Volume 36, No. 7/8, pp. 539-551; July 1988.