| 摘要 |
PROBLEM TO BE SOLVED: To provide a method and a device for analyzing three-dimensional(3D) wave for remarkably reducing the memory capacity and calculation time of a computer required for analysis. SOLUTION: Concerning the 3D wave analyzing method for analyzing the wave phenomenon of a 3D space while using a finite element method, material physical properties concerning an analytic object, analytic conditions and nodal point/element configuration information are read in S1, wave calculation is performed S2 based on inputted data composed of a wave equation formulation step S21 and time integration calculation step S22, and a displacement, distortion and stress, etc., calculated by the wave calculation are outputted S3 but the wave equation formulation step S21 is provided with a theoretical solution utilization style function setting step S211-2 for utilizing the function of displacement distribution provided by theoretically solving a wave equation in a two-dimensional field for a shape function defining a three-dimensional displacement field in a finite element.
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