Assignment 7

Obj:To import the model amd create a rigid at tge side wwith the mentioned parameters create the control and engine cards and run the simulation and plot the energies and forces in the hyper graph by creating the cross section and at intrusion points at B-pillar,fuel tank,hinge pillar and peak velocity at inner node of the door.

Procedure :
*Import the model by selecting the starter rad file by selecting the import option using radios profile.
*Now crate a type 7 contact interface by selecting the master and slave nodes both as the whole model and remaking parameters as default and the friction value as 0.2.
*The default parameters will be considered so for this simulation some of the parameters such as I del,I form,st max,fric-0.2.
*Create a rigid wall selecting the normal and other nodes and mention the search yolerenec and other parameters as mentioned below.

*Select the nodes for imposing some mass on it which will not create any incompatible kinematic condition and add the mass as it is to match to 700 kg and shift is at the beam below the driver.

*After adding these it is checked by selecting the cog position and create the node with these point and and that the cog point is as per the reality as below image can be reference for understanding it.
*Impose some initial velocity to as it is 15.36 units that can be applied to the model by selecting the master and slave nodes.

*Use the model checker and penetration check and run for the errors if any errors are found check for it and correct and close the error.
*By selecting the anim DT file make the time step as o.5 ms and engine run time as 80 ms.

*Select the nodes on the beam and create the cross section by defining it with the skew and create the output block for it by selecting the cross section similarly the cross section to be selected on the other beam.

*Select the point at a hinge pillar and create a skew for defining it at a fixed point silarly to be done for the hinge and fuel so that the intrusion can be calculated.

*Select the node on the door and define it with the skew so that the peak velocity can be calculated.

*check for the intersection and penetrations by selecting the model and run the model checker correct the errors that are shown and complete model that it should not posses any errors.
*Run the simulation by choosing the file path where the simulated files to be saved.
*Open the hyper view now and upload the h3d file and apply for it and plot the energies in the hyper view.
*The instrusion points and the cross section points are to be plotted completely with total resultant force acting on it.
*The energy and resultant force at point of cross section can be reffered from the below images

*The resultant force at point of intrusions can be reffered from the below images.

Errors:
*After run the penetration check from the available tools the penetration are observed these are to be corrected by applying the auto correction path if it is not responding for this it can be done manually.
*After run the model checker we get the error with the default contact interface that is available it can be deleted and the node set which are not used are available that can also be deleted.
*The nodes or cross section or the sets that are defined with elements or nodes which are not contributing to the simulation can be deleted so that it will not impact with the simulation time.

Feed back on the fuel tank:

If we observe the total energy acting on the rail near to the fuel tank energy acting during crash is more at the rail which is at the fuel tank so the material property with resistance and hardness or thicknessed rail can be helful to reducde the intensity of the intrusion.

Results:

*Creating the side rigid wall of the model with required parameters and the output cards that are required for the conclusions.

*Errors occured during the run of the model checker ,peneteration and intersection check bare corrected.

*With refering the simulation H3D files and T01 files the energy and forces are plotted.

Note:Below link can be prefered for access of the model and othersimulation files.

https://1drv.ms/u/s!Av1WlNmjfvAwiWI_2rMlGBZiA0RO?e=eN9yvt