Effects of Failure Cards and Material Models on Plastic Deformation in Crash

Plate 1 Von Mises Stress Von Mises Strain   Plate 2:  Equivalent Strain   Equivalent stress a) Plate 2 has less stress and less strain. Very very small difference.  b) Two small holes releases the stress concentration in the middle. Plate 2  c) Plate 1 would still be fine so less manufacturing…

Part 1  Bumper assembly has geometric issues to be cleaned up first before meshing by surface extension midplate is extended to upper and lower plates Some other geometric issues to be fixed   AFTER GEOMETRY CLEAN UP    Meshing with 6mm Free Edges on the geometry: In the marked region weld connection…

    Modifications:      Targets:   oCaster angle : ~4.00 deg Reached 4.17 oCaster moment arm : ~21.00 mm Reached 20,42 mm oKPI angle : ~13.00 deg Reached = 12.61 deg oSteer axis offset (resultant) : ~85.00 mm Reached 83 mm oSteer axis longitudinal offset : ~0.00 mm Reached 0 mm oScrub radius…

MDI _ Mc Pherson Front Suspension Adams Model Wheel Rate of the baseline suspension system Wheel rate at 0 wheel travel is 32.77 N/mm  The target wheel rate is 20 N/mm Baseline Motion Ratio = 0.93  Ride Rate at 0 wheel travel is 28,16 N/mm  Motion Ratio = sqrt(28,16/32,77) = 0.93  (Adams found the same) …

SLA Front (Double Wishbone Front)  Subsystem Hardpoints for Baseline    1. Swing arm angle and length  Swing arm angle is 5.21 at design condition  Front View Swing arm angle is 2914 mm.   From hardpoint integrated in CATIA  Front View swing arm length is 2684 mm Roll Center Height…

There are different types of elements can be modified in adams models. Here are the elements and their effects on some chosen parameters.  Baseline = No Change in the double wishbone model Modified = Element modification 1. Hardpoints 25mm LCA in +z  Results Comparison 2.  Parts Modified = Changing the lower…

1) From yz plane we can take kingpin angle, scrub radius and spindle length   From xz plane camber angle and mechanical Trail can be taken 2 ) 2000 * (9,41+25) = 68,8 Nm 3 ) Negative scrub angle can be achieved reducing the spindle length and displacement of ball joints and therefore changing the kinpin inclination.…

1) E= 210000 rho = 0,0078  Speed of sound in steel rail = 5188mm/ms 2) 1000 / 5188 = 0,192 ms 3) 1000mm / 343 mm/ms (Speed of sound) = 2,91 ms 4) /VERS/120/RUN/FIRST_RUN/1/0.1927248 (changed instead of 60 ms)/ANIM/VECT/DISP/ANIM/VECT/VEL/ANIM/ELEM/EPSP/ANIM/ELEM/ENER/ANIM/ELEM/VONM/ANIM/ELEM/HOURG/ANIM/DT0.000000000000000…

Case 1 Failure Johnson Card Aluminum Property Card for Shell elements: Material Card for Aluminum: No change is done and performed radios Simulation -nt 4 is applied for all simulations. ELAPSED TIME     =         40.91 s TOTAL NUMBER OF CYCLES  :  …

Vehicle Ride 2 - Assignment by Ozan Kocabas This Assignment is done by using Matlab Live Script. In order to change the values and see it effects sliders are used.  Given Parameters m_total = 1900 %kg m_total = 1900 front_weight_rate =0.55 front_weight_rate = 0.5500 rear_weight_rate = 1 - front_weight_rate rear_weight_rate…

 1.Graph styles, titles, labels a single wheel travel simulation is run and in the post processor all the graph styles titles and labels are arranged.   2.Plot configuration files – export and import plot configurations file has been exported Same configuration is used to compare new simulation in…

Double Wishbone Assy created in ADAMS Car