Open AccessMathematical modeling of the contact interaction of the fuel element with creep using the mortar-method
Author(s) -
Pavel Sergeevich Aronov,
M P Galanin,
А. С. Родин
Publication year - 2020
Publication title -
preprint/preprinty ipm im. m.v. keldyša
Language(s) - English
Resource type - Journals
eISSN - 2071-2901
pISSN - 2071-2898
DOI - 10.20948/prepr-2020-110
Subject(s) - creep , mortar , rotational symmetry , finite element method , pellets , relaxation (psychology) , materials science , mechanics , structural engineering , engineering , composite material , physics , psychology , social psychology
An algorithm for solving axisymmetric contact problems of the theory of thermoelasticity with creep processes is considered. To take into account the contact interaction of bodies, the mortar method was used, a modified method of over relaxation was used to solve the obtained system of linear equations. For the test task, the resulting numerical solution is compared to the analytical solution. The results of application of the proposed algorithm for the demonstration problem simulating thermomechanical processes in the fuel element section including from 2 to 10 fuel pellets are presented..