CAE (Computer Aided Engineering) Laboratory at Pusan National by qiant230

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									CAE Lab, NRL, Pusan National University, Korea               March, 2008




CAE (Computer Aided Engineering)
         Laboratory at
 Pusan National University, Korea

                Professor Wan-Suk Yoo
                          wsyoo@pusan.ac.kr
                       http://cae.me.pusan.ac.kr

     Computer Aided Engineering Laboratory, Pusan National University   1/15
  CAE(Computer Aided Engineering) Laboratory since 1985

                                                  Charateristics of
IOWA               - Ride Analysis of Vehicles
                                                  Driver

                   - Windshield Wiper System      Coordinate
     Ph.D
                   - Suspension Superelement      Partitioning
      &
                                                  Simulator for                   Stress-                Steel
                   - Velocity Transformation                          Seat
Post. Doc                                                                                                Wheel
                   - Dynamics due to Impact       Wheeltype                       Durability-
                                                  Excavaor            Design      Failure of Car         Vibration

81          85     86     93      94      95     96      97         98       99       2000         01       02       03     05     08

                                                 CAE, Suspension Design           Steering
Flexible                                                                          System
                                                 Advanced Suspension                                    Venture
Multibody
Dynamics                   Vehicle Dynamics Code AutoDyn7         6DOF Vehicle Driving Simulator

                                                                                                                       Airbag
                                                                                                            Comfort Seat

                                                                                                            Durability  Field
                                                                                                                        robot
                                                                                                            Child Seat Vehicle
                                                                                                            Excavaor Evaluation
                                                                                                                          NRL
                  - 290 Papers, - Degrees Offered (9 Ph.Ds, 60 Masters)

                  1) Flexible Multibody Dynamics 2) Vehicle Dynamics                         3) Design of Systems


                 Computer Aided Engineering Laboratory, Pusan National University                                                2/15
Major Facilities - Hardware

  ¼   Car Simulator         MTS329 Road Simulator         6 DOF Simulator




              Workstations & PCs                    Sensors        Cameras




      Computer Aided Engineering Laboratory, Pusan National University       3/15
Major Facilities - Software


    DADS              ADAMS              AutoDyn7             CATIA




 MSC Software         ANSYS              LS-DYNA             MADYMO




    Computer Aided Engineering Laboratory, Pusan National University   4/15
Research Topic(1) – Large Deformation of Strip




     Computer Aided Engineering Laboratory, Pusan National University   5/15
           Research Topic(2) – Seat Design to Enhance Ride Comfort

                                                                                                                   Back

                                                                                                      Zb


                                                                                                             Yb
                                                                                            Xb
                                                                                                       Zs
                                                                                                      Yaw, R
                                                                                                           z
                                                                                       Roll, R
                                                                                             x                Ys
                                                                                        Xs            Pitch, R
                                                                                                             y




                                                                                                             Ischial
                                                                                       Zf
                                                                                                           tuberosities

                                                                                                 Yf
                      Occupant : 175cm, 78kg                                      Xf


                                                                                                            Feet

           1.2                                       Small-size Passenger car
                                                     SUV
                                                                                 Comparison of                                               0.36


                                                     Mid-size Passenger car                                                                  0.30
           1.0                                       Luxurious car
                                                                                percent vibration                                            0.24
                                                                                                                                                                              Experiment
                                                                                                                                                                              Korean dummy model
                                                                                                                                                                              Facet Human model




                                                                                                                          Amplitude [m/s ]
           0.8




                                                                                                                          2
                                                                                and SEAT values,                                             0.18
S.E.A.T.




           0.6

                                                                                                                                             0.12
           0.4                                                                  from experiments
                                                                                                                                             0.06

           0.2
                                                                                and MADYMO                                                   0.00

           0.0
                 30   40    50   60     70      80
                                  Velocity [km/h]
                                                         90    100   110
                                                                                  simulations                                                       0   20            40

                                                                                                                                                             Frequency [Hz]
                                                                                                                                                                                60         80




                           Computer Aided Engineering Laboratory, Pusan National University                                                                                               6/15
Research Topic(3) – Durability Analysis of Vehicle Components
1. FEM modeling of a component                       3. Durability prediction by
                                                        using MSC/Fatigue Software
                                   Verification of
                                     Durability
                                     Prediction
                                        with
                                   MSC/Fatigue
                                     Software
                                         to
                                                     4. Durability test at Road Simulator
                                        Real
                                    Experiment
                                        With
                                      MTS329
                                       Road
2. Dynamic analysis using DADS
   to calculate reaction forces,     Simulator
   strain, and stress History
        Computer Aided Engineering Laboratory, Pusan National University             7/15
Research Topic(4) – Front & Side Airbags




             (a) sled test




              (b) simulation
               Front airbag                     Curtain & Side airbag

     Computer Aided Engineering Laboratory, Pusan National University   8/15
  Research Topic(5) –Filed Robot
Purpose : Develop special suspension for Field Robot to Climb any Obstacles
          Used for FCS (Future Combat System)




       Computer Aided Engineering Laboratory, Pusan National University       9/15
  Research Topic(6) – Contact Pressure on Tire
Purpose : Develop a Precise Tire Model
          Experiment and Simulation


Contact Pressure Calculation     Measurement of Pressure Distribution




       Computer Aided Engineering Laboratory, Pusan National University   10/15
  Research Topic(7) – Rapid Braking
Purpose : Vehicle Speed of a Vehicle just on Braking




                                                                     100
                                                                                                          Braking signal
                                                                     80                                   From Speed Sensor



                                              Vehicle Speed (km/h)
                                                                                                          From Pulse Transducer

                                                                     60
                                                                                                   80 km/h (Dry Pavement)
                                                                     40


                                                                     20


                                                                      0


                                                                           8   9   10   11    12    13    14   15   16   17
                                                                                             Time (sec)

       Computer Aided Engineering Laboratory, Pusan National University                                                           11/15
Members in CAE Lab (March, 2008)

    Professor            Post-Doctoral Researcher          Ph.D Candidates



                                                       Dong-Woon Park
 Wan-Suk Yoo
                                                         Min-Seok Kim
      (P.N.U.)
                                                           Jin-Kyu Ok


  Ph.D Students     Master Students(2nd)   Master Students(1st)      Senior

                      Ji-Hoon Lee
                                            Jin-Hong Park
Jeong-Han Lee         Ki-Chang Lee
                                            So-Hae Choi             S.D.Na
Hyun-Woo Kim        Sung-Woon Jung
                                           Hee-Chun Koo           Samuel Jung
Jae-Wookk Lee          Mi-Ok Kim
                                              Su-Jin Kim
                      Kun-Woo Kim
   Computer Aided Engineering Laboratory, Pusan National University           12/15
Meeting/Seminar/Workshop/Conference

 1) General Chair, ACMD2004 (August 1-4, 2004)
    Olympic Parktel, Seoul, Korea
 2) ‘Flexible Multibody Dynamics’ Symposium Organizer,
    in 5th ASME International Conference on Multibody Systems,
    Nonlinear Dynamics and Control (Long Beach, September, 2005)
 3) Organizer, Flexible Multibody Dynamics, IFToMM
   Besancon, France, May 18-21, 2007
 4) Organizer, Flexible Multibody Dynamics, ECCOMAS
   Milano, Italy, May 25-28, 2007
 5) Organizer, Symposium on Felxible Multibody Dynamics
   Las Vegas, Sept. 4-9, U.S.A., 2007
 6) ISC Chair, ACMD2008
   Jeju, August 20-23, Korea, 2008

    Computer Aided Engineering Laboratory, Pusan National University   13/15
3 minute presentation of all the students (in Engilsh)

   Carrier
       1) Name, Date and place of Birth
       2) High school
       3) Military service
       4) Family and friends

   Interests
       1) Special interest field
       2) Join a study group

   Future Plan
       1) Plan to enter a graduate school
       2) Company you want to join, why?
       3) Which department?


       Computer Aided Engineering Laboratory, Pusan National University   14/15

								
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