Hello,
I used to work with comsol few months ago. I nomore work with because I have nomore accessto the machine, but at the end I was dealing with the timediscrete solver and faced a problem. If it happens I work again with, it would be nice if I knew how to deal with such a problem:
If two coupled equations are discretized and each one involve u(t), u(t-1), and u(t-2), then the solver might not be able to run because there are too much unknowns for the system, because we only specify u at t=0 by applying for example: a source on boundaries.
How one can specify u(0) AND u(1), in order to solve the first steps of the solver??? (basically I would like to set them to 0 everywhere)
Thanks
I used to work with comsol few months ago. I nomore work with because I have nomore accessto the machine, but at the end I was dealing with the timediscrete solver and faced a problem. If it happens I work again with, it would be nice if I knew how to deal with such a problem:
If two coupled equations are discretized and each one involve u(t), u(t-1), and u(t-2), then the solver might not be able to run because there are too much unknowns for the system, because we only specify u at t=0 by applying for example: a source on boundaries.
How one can specify u(0) AND u(1), in order to solve the first steps of the solver??? (basically I would like to set them to 0 everywhere)
Thanks