sfepy: ====== time 0.000000e+00 (step 1 of 11) =====
sfepy: initial residual evaluation failed, giving up...
Traceback (most recent call last):
File "C:\sfepy\simple.py", line 170, in <module>
main()
File "C:\sfepy\simple.py", line 167, in main
app()
File "C:\sfepy\sfepy\applications\application.py", line 29, in call_basic
return self.call(**kwargs)
File "C:\sfepy\sfepy\applications\pde_solver_app.py", line 220, in call
post_process_hook=self.post_process_hook):
File "C:\sfepy\sfepy\solvers\ts_solvers.py", line 337, in __call__
state = self.solve_step(ts, state0, nls_status=nls_status)
File "C:\sfepy\sfepy\solvers\ts_solvers.py", line 374, in solve_step
nls_status=nls_status)
File "C:\sfepy\sfepy\solvers\ts_solvers.py", line 185, in make_implicit_step
vec_r = ev.eval_residual(state(), is_full=True)
File "C:\sfepy\sfepy\discrete\evaluate.py", line 54, in eval_residual
vec_r = self.problem.equations.eval_residuals(vec)
File "C:\sfepy\sfepy\discrete\equations.py", line 679, in eval_residuals
self.evaluate(mode='weak', dw_mode='vector', asm_obj=out)
File "C:\sfepy\sfepy\discrete\equations.py", line 615, in evaluate
term_mode=term_mode, asm_obj=asm_obj)
File "C:\sfepy\sfepy\discrete\equations.py", line 832, in evaluate
ret_status=True)
File "C:\sfepy\sfepy\terms\terms.py", line 1368, in evaluate
fargs = self.call_get_fargs(_args, kwargs)
File "C:\sfepy\sfepy\terms\terms.py", line 1233, in call_get_fargs
fargs = self.get_fargs(*args, **kwargs)
File "C:\sfepy\sfepy\terms\terms_electric.py", line 27, in get_fargs
grad = self.get(parameter, 'grad')
File "C:\sfepy\sfepy\terms\terms.py", line 1082, in get
is_trace=self.arg_traces[name], bf=bf)
File "C:\sfepy\sfepy\discrete\variables.py", line 1634, in evaluate
vec = self(step=step, derivative=time_derivative, dt=dt)
File "C:\sfepy\sfepy\discrete\variables.py", line 1152, in __call__
% (self.name, step))
ValueError: data of variable are not set! (phi_known, step 0)
Also, could anyone provide a sample output for all the sfepy examples? That would be of great help.