The graphical user interface of Elmer

pete2
 Posts: 5
 Joined: 13 Jul 2018, 17:25
 Antispam: Yes
Post
by pete2 » 13 Jul 2018, 17:33
hi everyone,
I am new using elmer. I got this error when i run the model
Code: Select all
ELMER SOLVER (v 8.2) STARTED AT: 2018/07/13 14:56:58
ParCommInit: Initialize #PEs: 1
MAIN:
MAIN: =============================================================
MAIN: ElmerSolver finite element software, Welcome!
MAIN: This program is free software licensed under (L)GPL
MAIN: Copyright 1st April 1995  , CSC  IT Center for Science Ltd.
MAIN: Webpage http://www.csc.fi/elmer, Email elmeradm@csc.fi
MAIN: Version: 8.2 (Rev: Release, Compiled: 20160315)
MAIN: =============================================================
MAIN:
MAIN:
MAIN: 
MAIN: Reading Model: case.sif
Loading user function library: [StatElecSolve]...[StatElecSolver_Init0]
LoadMesh: Base mesh name: ./.
LoadMesh: Elapsed time (CPU,REAL): 0.8270 0.8270 (s)
MAIN: 
Loading user function library: [StatElecSolve]...[StatElecSolver_Init]
Loading user function library: [StatElecSolve]...[StatElecSolver]
OptimizeBandwidth: 
OptimizeBandwidth: Computing matrix structure for: electrostatics...done.
OptimizeBandwidth: Half bandwidth without optimization: 178
OptimizeBandwidth:
OptimizeBandwidth: Bandwidth Optimization ...done.
OptimizeBandwidth: Half bandwidth after optimization: 35
OptimizeBandwidth: 
MAIN:
MAIN: 
MAIN: Steady state iteration: 1
MAIN: 
MAIN:
SingleSolver: Attempting to call solver
SingleSolver: Solver Equation string is: electrostatics
StatElecSolve: 
StatElecSolve: STATELEC SOLVER:
StatElecSolve: 
StatElecSolve:
StatElecSolve: Electrostatic iteration: 1
StatElecSolve: Starting Assembly...
WARNING:: ListFind:
WARNING:: ListFind: Requested property: [Material], not found
WARNING:: ListFind:
Program received signal SIGSEGV: Segmentation fault  invalid memory reference.
Backtrace for this error:
#0 ffffffffffffffff
I am trying to do a electrostatic simulation with just 1 body. it says Material not found, but I add air as a material and I clicked the box for body 1, which is the only body in the simulation.
thanks!

KaiMartin
 Posts: 34
 Joined: 02 Jun 2013, 00:07
 Antispam: Yes
 Location: Hannover, Germany

Contact:
Post
by KaiMartin » 15 Jul 2018, 07:07
Can you post the *.sif file? This is a compilation of the settings you did in the GUI. It is used an input for the solver.
<)kaimartin(>
<)kaimartin(>

pete2
 Posts: 5
 Joined: 13 Jul 2018, 17:25
 Antispam: Yes
Post
by pete2 » 16 Jul 2018, 15:01
thank you
this is the .sif file
Code: Select all
Header
CHECK KEYWORDS Warn
Mesh DB "." "."
Include Path ""
Results Directory ""
End
Simulation
Max Output Level = 5
Coordinate System = Cartesian
Coordinate Mapping(3) = 1 2 3
Simulation Type = Steady state
Steady State Max Iterations = 1
Output Intervals = 1
Timestepping Method = BDF
BDF Order = 1
Solver Input File = case.sif
Post File = case.ep
End
Constants
Gravity(4) = 0 1 0 9.82
Stefan Boltzmann = 5.67e08
Permittivity of Vacuum = 8.8542e12
Boltzmann Constant = 1.3807e23
Unit Charge = 1.602e19
End
Body 1
Target Bodies(1) = 1
Name = "Body 1"
Equation = 1
Initial condition = 1
End
Solver 1
Equation = Electrostatics
Variable = Potential
Procedure = "StatElecSolve" "StatElecSolver"
Exec Solver = Always
Stabilize = True
Bubbles = False
Lumped Mass Matrix = False
Optimize Bandwidth = True
Steady State Convergence Tolerance = 1.0e5
Nonlinear System Convergence Tolerance = 1.0e7
Nonlinear System Max Iterations = 20
Nonlinear System Newton After Iterations = 3
Nonlinear System Newton After Tolerance = 1.0e3
Nonlinear System Relaxation Factor = 1
Linear System Solver = Iterative
Linear System Iterative Method = BiCGStab
Linear System Max Iterations = 500
Linear System Convergence Tolerance = 1.0e10
BiCGstabl polynomial degree = 2
Linear System Preconditioning = Diagonal
Linear System ILUT Tolerance = 1.0e3
Linear System Abort Not Converged = False
Linear System Residual Output = 1
Linear System Precondition Recompute = 1
End
Equation 1
Name = "Equation 1"
Active Solvers(1) = 1
End
Equation 2
Name = "Equation 2"
Active Solvers(1) = 1
End
Material 1
Name = "Gold (generic)"
Heat expansion Coefficient = 14.2e6
Heat Conductivity = 318.0
Sound speed = 2030.0
Heat Capacity = 129.0
Mesh Poisson ratio = 0.44
Density = 19300.0
Poisson ratio = 0.44
Youngs modulus = 78.0e9
End
Body Force 1
Name = "BodyForce 1"
Charge Density = 2
End
Initial Condition 1
Name = "InitialCondition 1"
Potential = 1
End
Boundary Condition 1
Target Boundaries(2) = 4 5
Name = "BoundaryCondition 1"
Potential = 1
End
Boundary Condition 2
Target Boundaries(2) = 1 6
Name = "BoundaryCondition 2"
Potential = 2
End
Boundary Condition 3
Target Boundaries(1) = 3
Name = "BoundaryCondition 3"
Periodic BC = 15
End

mzenker
 Posts: 1741
 Joined: 07 Dec 2009, 11:49
 Location: Germany
Post
by mzenker » 16 Jul 2018, 15:08
Hi,
according to the sif file, there is no material assigned to the body.
Could it be that you forgot to do "save project" after having assigned the material in the GUI?
HTH,
Matthias

pete2
 Posts: 5
 Joined: 13 Jul 2018, 17:25
 Antispam: Yes
Post
by pete2 » 23 Jul 2018, 15:31
oops, i didn't realise that you had to save project everytime that you change something.
thank you!