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  1. National Taiwan Ocean University Research Hub

Nonlinear Dynamic Meshless Method for Plate Structures Based on Momentum-Time Difference Scheme

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Project title
Nonlinear Dynamic Meshless Method for Plate Structures Based on Momentum-Time Difference Scheme
Code/計畫編號
110-2221-E-019-010-MY2
Translated Name/計畫中文名
基於動量時間差分之板動力幾何非線性無網格分析法(1/2)
 
Project Coordinator/計畫主持人
Shyh-Rong Kuo
Funding Organization/主管機關
National Science and Technology Council
 
Department/Unit
Department of Harbor and River Engineering
Website
https://www.grb.gov.tw/search/planDetail?id=13894981
Year
2021
 
Start date/計畫起
01-08-2021
Expected Completion/計畫迄
31-07-2022
 
Bugetid/研究經費
677千元
 
ResearchField/研究領域
土木水利工程
 

Description

Abstract
本計劃應用離散時間之能量恆等式及剛體運動法則,提出一個新的方法,建立時間離散具大變形大轉角特性且滿足線動量守恆、角動量守恆及能量守恆等三大守恆定律之平板幾何非線性動量時間差分控制方程式及動力分析計算架構,在平板幾何非線性動力數值分析的學術發展上,提供另一新的思維模式。本計畫發展一個有效率且可靠穩定的幾何非線性動力數值分析方法,此成果可供船舶、汽車、浮式基礎、離岸風機及機電產業,分析結構遭遇大變形大旋轉問題的幾何非線性動力行為,以利執行結構設計及提升相關精緻工業之能量。
 
Keyword(s)
能量守恆
動量守恆
幾何非線性動力增量方程式
廣義有限差分法
無網格法
動力剛體運動法則
Energy identity
Conservation of momentum
Geometrically nonlinear dynamic analysis
incremental equilibrium equation
Generalized finite difference method
Meshless method
Dynamic of Rigid body motion rule
 
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