Numerical solution of a three-dimensional solidification problem in aluminium casting

A Bermúdez, MV Otero - Finite Elements in Analysis and Design, 2004 - Elsevier
In this paper, we consider an enthalpy formulation for a two-phase Stefan problem arising
from the solidification of aluminium during casting process. We solve this free boundary …

Numerical simulation of some problems related to aluminium casting

P Barral, A Bermúdez, MC Muñiz, MV Otero… - Journal of materials …, 2003 - Elsevier
In this paper we present several models describing some thermal, mechanical,
electromagnetic and hydrodynamic phenomena arising from electromagnetic aluminium …

Analysis of gap formation at mold-shell interface during solidification of aluminum alloy plate

KY Kim - ISIJ international, 2003 - jstage.jst.go.jp
Movements of the casting and mold were analyzed simultaneously using coupled thermo-
mechanical contact boundary model for the plate casting of aluminum alloy. The calculated …

7050 铝合金大铸锭半连续铸造过程数值模拟

马维策, 胡士成, 杨运猛, 付明志, 胡永清 - 特种铸造及有色合金, 2008 - special-cast.com
利用大型有限元软件MSC. marc, 建立了7050 铝合金大铸锭的半连续铸造热-力耦合有限元模型,
模型采用8 节点六面体单元, 考虑了凝固时的液-固相变以及凝固潜热的影响 …

Existence of a solution for a Signorini contact problem for Maxwell–Norton materials

P Barral, P Quintela - IMA journal of applied mathematics, 2002 - academic.oup.com
The aim of this article is to study the quasistatic evolution of a Maxwell–Norton three‐
dimensional viscoelastic solid with contact constraints. After introducing the appropiate …

A numerical algorithm for a Signorini problem associated with Maxwell–Norton materials by using generalized Newton's methods

P Barral, C Moreno, P Quintela, MT Sánchez - Computer methods in …, 2006 - Elsevier
The goal of this work is to present new numerical approaches to obtain computationally
efficient adaptive procedures to solve contact problems associated with Maxwell–Norton …

Asymptotic justification of the treatment of a metallostatic pressure type boundary condition in an aluminium casting

P Barral, P Quintela - Mathematical Models and Methods in Applied …, 2001 - World Scientific
We present an asymptotic analysis to justify the treatment of a metallostatic pressure type
boundary condition on a thermal free boundary arising from the thermomechanical …

Simulation of casting deformation based on mold surface element method

T Chen, Y Tang, D Liao, L Cao, F Sun, Z Teng, D Wu - China Foundry, 2017 - Springer
Deformation of casting during the solidification process has puzzled many engineers and
scientists for years. In order to attain the goal of near-net forming by casting, numerical …

[HTML][HTML] Modelling of materials with long memory

MC Naya-Riveiro, P Quintela - International Journal of Solids and …, 2008 - Elsevier
We deduce the Lagrangian motion and energy conservation equations for
thermoviscoelastic materials with long memory and with strongly dependent temperature …

[引用][C] 精铸空心涡轮叶片模具虚拟修模方法

卜昆, 王虹, 周桐, 李世峰, 沈翔鸿 - 航空学报, 2011