An equivalent algorithm for simulating thermal effects of magma intrusion problems in porous rocks

Zhao, CB, Hobbs, BE, Ord, A, Lin, G and Muhlhaus, HB (2003) An equivalent algorithm for simulating thermal effects of magma intrusion problems in porous rocks. Computer Methods In Applied Mechanics And Engineering, 192 31-32: 3397-3408.


Author Zhao, CB
Hobbs, BE
Ord, A
Lin, G
Muhlhaus, HB
Title An equivalent algorithm for simulating thermal effects of magma intrusion problems in porous rocks
Journal name Computer Methods In Applied Mechanics And Engineering  (ERA 2012 Listed)    (ERA 2010 Rank A*)   Check publisher's open access policy
Publication date 2003
Sub-type Article
DOI 10.1016/S0045-7825(03)00293-7
Volume number 192
Issue number 31-32
ISSN 0045-7825
Start page 3397
End page 3408
Total pages 12
Place of publication Lausanne
Publisher Elsevier Science Sa
Language eng
Abstract An equivalent algorithm is proposed to simulate thermal effects of the magma intrusion in geological systems, which are composed of porous rocks. Based on the physical and mathematical equivalence, the original magma solidification problem with a moving boundary between the rock and intruded magma is transformed into a new problem without the moving boundary but with a physically equivalent heat source. From the analysis of an ideal solidification model, the physically equivalent heat source has been determined in this paper. The major advantage in using the proposed equivalent algorithm is that the fixed finite element mesh with a variable integration time step can be employed to simulate the thermal effect of the intruded magma solidification using the conventional finite element method. The related numerical results have demonstrated the correctness and usefulness of the proposed equivalent algorithm for simulating the thermal effect of the intruded magma solidification in geological systems. (C) 2003 Elsevier B.V. All rights reserved.
Keyword Mathematics, Interdisciplinary Applications
Engineering, Multidisciplinary
Mechanics
Equivalent Algorithm
Magma
Intrusion
Solidification
Geological System
Finite Element Analysis
Simulation
Uranium Ore-deposits
Transport
Convection
Media
Flow
Mineralization
Lithosphere
Propagation
Models
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

 
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