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A Mesh is the fundamental building block of a simulation. It divides the model to
analyse into smaller elements, the **finite elements**. The finite
elements are defined
by their vertices which are called **nodes**

You can choose a model preset from a range of predefined models. You can adjust the shape of these presets using the parameters below

One can choose the order of elements used. The choice can be made between first and second order. Second order usually yields more accurate results at the cost of slightly longer computation times.

Click the **Generate Mesh** button in
order to generate the mesh with the selected order and choosen
parameters from the previous two steps. You can see the mesh in the main
screen.

The mesh describes the physical shape of the object. To evaluate its deformation
under a set of forces and constraints, it is required to specify
the material which is being used. There are two options to do this, one **advanced**
way with custom material properties and one **simple** way where you
can choose
a material from a list of predefined materials.

One can choose one out of the predefined materials. It
will look up the material data inside a database. After selecting the
material of choice, make sure to hit **Apply
Material** button. You can verify that the material has been
applied by looking at the **Analysis**-Menu which should
show a green checkmark

If you have information about your material,
especially the youngs modulus and the poisson ratio, you can instead
simply put
those numbers into the given fields and hit the **Apply
Material** button. You can verify that the material has been
applied by looking at the **Analysis**-Menu which should
show a green checkmark

After describing the model, all we need is a set of constraints. These constraints will make sure that our model can not move into certain directions. The simplest constraint is a fixed support which simply constraints one or more nodes into the x, y or both directions.

To set a constraint, one needs to open the

To actually start selecting nodes, one needs to click
on the small mouse-button . This
will allow you to start selecting nodes by clicking on them with the
left mouse-button. After the selection is done, make sure to hit the
**Apply** button

Now that the model is defined and properly constrained, the last part would be to actually apply forces. These forces can be applied similar to the constraints.

To set a force, one needs to open the

To actually start selecting nodes, one needs to click
on the small mouse-button . This
will allow you to start selecting nodes by clicking on them with the
left mouse-button. After the selection is done, make sure to hit the
**Apply** button and you should see some force-vectors at the previously selected models.