Numerical Models for Simulating the Dynamic Behavior of Concrete Subjected to High Velocity Impact

Dohyun Park

doi:10.12972/ksmer.2017.54.4.429

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2017 Vol.54, Issue 4 Preview Page Next Page

Review

Numerical Models for Simulating the Dynamic Behavior of Concrete Subjected to High Velocity Impact 고속충격을 받는 콘크리트의 동적 거동 모사를 위한 수치모델

31 August 2017. pp. 429-436

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Abstract

To solve high velocity impact problems, such as projectile penetration and blasting, a numerical model should be established that can account for the mechanical behavior of materials under dynamic loading. The numerical model should include both the equation of state of materials, which describes the state of the materials under given loading conditions, and constitutive equations for material failure and damage. In this paper, we introduced numerical models for simulating the dynamic behavior of concrete under high velocity impact and the determination of associated parameters, and described the applicability of these models to rock mass modeling.

Keywords

High velocity impact

Dynamic material model

Hydrodynamics code

Equation of state

Constitutive equation

발사체의 관통 및 발파와 같은 고속충격 문제를 풀기 위해서는 동하중을 받는 재료의 역학적 거동을 표현할 수 있는 수치모델이 수립되어야 한다. 수치모델은 특정 하중 조건에서 재료의 상태를 나타내는 상태방정식과 재료의 파괴 및 손상과 관련된 구성방정식을 포함해야 한다. 본 고에서는 고속충격을 받는 콘크리트의 동적 거동을 모사하기 위한 수치모델과 관련 매개변수의 산정방법을 소개하고, 암반 모델링에의 활용성에 대해 기술하였다.

키워드

고속충격

동적 재료모델

유체 동역학 코드

상태방정식

구성방정식

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Information

Publisher :The Korean Society of Mineral and Energy Resources Engineers
Publisher(Ko) :한국자원공학회
Journal Title :Journal of the Korean Society of Mineral and Energy Resources Engineers
Journal Title(Ko) :한국자원공학회지
Volume : 54
No :4
Pages :429-436
Received Date : 2017-05-31
Revised Date : 2017-07-04
Accepted Date : 2017-08-30
DOI :https://doi.org/10.12972/ksmer.2017.54.4.429

Journal of the Korean Society of Mineral and Energy Resources Engineers ISSN:2288-0291(Print) 2288-2790(Online) 한국자원공학회지

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