Two dialog windows let you build a fragment or brick wall.
This second window lets you fill the wall grid with materials and initial conditions.
Check this box if you do not want the mortar to be represented as a material.
If you check this box, no elements will be generated for the mortar.
If you do not check this box, elements will be generated for the mortar (If the mortar thickness is small compared to the dimension of the brick elements, the time step is likely to be reduced significantly).
Check this box if you want to fill your wall Part using an Initial Condition Set.
The advantage of filling a Part using an Initial Condition Set is that if you later change one or more parameters in the set, you do not have to refill your Part.
Use the pull-down menu to select the Initial Condition Set you want to use.
You can define new Initial Condition Sets by clicking the Init.Cond. button on the Navigation Bar or by clicking next to the option in this window.
If you do not want to use an Initial Condition Set, select the material you want to use to fill your Part from this Pull-down menu.
You can define new materials by clicking the Materials button on the Navigation Bar or by clicking next to the option in this window.
If you do not want to use an Initial Condition Set, enter parameter values for your fill in the fields provided (Density, Energy, Velocity).