[FLASH-USERS] 2D spherical laserslab simulation

[wenhao shen]

Dear FLASH users,

When simulating the laserslab case, I wanted to simulate the interaction between 2D spherical and laser. So, I modified the following code in simulation_initBlock.F90.

 if (sim_initGeom == "slab") then

              if(NDIM == 1) then

                 if ( xcent(i) <= sim_targetHeight + sim_vacuumHeight .and. &

                      xcent(i) >= sim_vacuumHeight ) then

                    species = TARG_SPEC

                 end if                

              elseif(NDIM == 2 .or. NDIM == 3) then

                 if ( xcent(i) <= sim_targetRadius .and. &

                      ycent(j) <= sim_targetHeight + sim_vacuumHeight .and. &

                      ycent(j) >= sim_vacuumHeight ) then

                    species = TARG_SPEC

                 end if

              end if

           else

               if (sqrt((xcent(i)-sim_targetHeight)**2+(ycent(j)-sim_vacuumHeight)**2)<= sim_targetRadius) then

                  species = TARG_SPEC

              end if

           end if

The variables "sim_targetHeight" and "sim_vacuumHeight" correspond to the center position of the 2D spherical, and I defined them in flash.par as follows.

##############################

#                            #

#     INITIAL CONDITIONS     #

#                            #

##############################

sim_initGeom == "sphere"

sim_targetRadius = 20.0e-04

sim_targetHeight = 20.0e-04

sim_vacuumHeight = 60.0e-04

 

However, when inspecting the results, I noticed that the expected circular shape did not appear in the domain; the laser simply passed through. Does anyone know how I can modify this, or could someone advise me on how to simulate the interaction between 2D spherical and laser? Any suggestion helps.

 

Shen

--

Shen WenHao

University of the Chinese Academy of Sciences


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