We want an analytical model that matches the measured values of the natural frequency!
"Model correlation" refers to the process of reviewing various possible errors and correctly reflecting them in the analytical model. If there are measured values and an error-free analytical model, it becomes possible to apply this to further simulations, thereby demonstrating the true value of the simulation. Therefore, by combining Quint products, we propose an experimental vibration characteristic and an error-free analytical model = an optimal model correlation. In this case study, we derived an analytical model that reproduces the vibration characteristics of a complex structure plate (hereinafter referred to as "honeycomb panel") that includes honeycomb core material, using Quint products "VOXELCON," "AMDESS," and "OPTISHAPE-TS." [Workflow] ■1. Experimental mode analysis of the honeycomb panel ■2. Calculation of material parameters for the simplified model ■3A. Identification of material parameters ■3B. Identification through model shape modification *For more details, please refer to the PDF document or feel free to contact us.
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**Details of Each Task** ■1. Experimental Mode Analysis of Honeycomb Panel: Conduct experimental vibration mode analysis using "MEscope" to obtain the natural frequencies and vibration states of the honeycomb panel. ■2. Calculation of Material Parameters for Simplified Model: Using the homogenization method of "VOXELCON," determine equivalent material parameters for the honeycomb panel structure and reproduce vibration characteristics with a simple mesh. ■3A. Identification of Material Parameters: Optimize the material parameters obtained from "VOXELCON" further using parameter optimization in "AMDESS" to improve accuracy so that the vibration characteristics match. ■3B. Identification through Model Shape Modification: Modify the shape of the internal core material using the shape optimization function of "OPTISHAPE" to match the vibration characteristics of the honeycomb panel. *For more details, please refer to the PDF document or feel free to contact us.*
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For more details, please refer to the PDF document or feel free to contact us.
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Kuin Co., Ltd. is a venture business company specializing in computational mechanics and CAE software development, founded with a strong desire to "enter the overwhelmingly overseas-dominated CAE software field with original Japanese products." We are committed to originality and operate under the motto "Dreamy CAE from Japan," focusing on the development, sales, and support of our own CAE software. ≪Software≫ ● Structural Optimization OPTISHAPE-TS Useful for various situations such as initial design stages and improvements to existing shapes. ● CAD Model Generation S-Generator Converts optimized shapes into CAD models. ● Image-Based Structural Analysis VOXELCON Directly models and analyzes CT images and STL data from CAD. ● General Parameter Optimization AMDESS Parameter optimization done with the ease of using spreadsheet software. ● SOLIDWORKS Add-in Structural Optimization HiramekiWorks Performs structural optimization within SOLIDWORKS and automatically generates CAD models of the resulting shapes.
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