Bar I
This example shows the deformation of two equivalent bars made of plastic material. Initial conditions are specified by *INITIAL_VELOCITY keyword. The upper bar is calculated using Lagrangian discretization, the lower one is calculated using SPH method. Download is available in the download section of this document.
Keywords
Keywords
The used Keywords in alphabetical order.
*BOUNDARY_SPC_SET *CONTROL_CONTACT *CONTROL_DAMPING *CONTROL_ENERGY *CONTROL_OUTPUT *CONTROL_SHELL *CONTROL_SPH *CONTROL_TERMINATION *CONTROL_TIMESTEP *DATABASE_BINARY_D3PLOT *DATABASE_EXTENT_BINARY *DATABASE_GLSTAT *DATABASE_MATSUM *ELEMENT_SOLID *ELEMENT_SPH *END *INITIAL_VELOCITY *INITIAL_VELOCITY_NODE *KEYWORD *MAT_PLASTIC_KINEMATIC *NODE *PART *SECTION_SOLID *SECTION_SPH *SET_NODE_LIST_GENERATE *TITLE
Reduced Input
Reduced Input
*Node and *Element Cards are removed.
*KEYWORD
$* LS-DYNA Keyword file: LSTC LS-PRE/POST Ver 1.0(Beta)- 31OCT2002(1553)
$* Total Number of Nodes = 10652,Largest node ID = 2002700
$* Total Number of Solids = 2500,Largest Solid ID = 2500
$* Total Number of Parts = 4,Largest Part ID = 102
$* Total Number of Mats = 1 Largest Mat ID = 1
*TITLE
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$$$$ NODES AND ELEMENTS
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
Untitled
*CONTROL_CONTACT
$* slsfac rwpnal islchk shlthk penopt thkchg orien enmass
0.0 0.0
$* usrstr usrfrc nsbcs interm xpene ssthk ecdt tiedprj
0 0 0 0 0.0
*CONTROL_DAMPING
$* nrcyck drtol drfctr drterm tssfdr irelal edttl idrflg
0 0.0 0.0 0.0 0.0 0 0.0
*CONTROL_ENERGY
$* hgen rwen slnten rylen
1 2 1 1
*CONTROL_OUTPUT
$* npopt neecho nrefup iaccop opifs ipnint ikedit iflush
0 0 0 0 0.0
*CONTROL_SHELL
$* wrpang esort irnxx istupd theory bwc miter proj
0.0 0 0 0 9
*CONTROL_SPH
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ *CONTROL_SPH $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$* ncbs boxid dt dim memory form start maxv
1 0 0.0 2 0 0 0.0 0.0
*CONTROL_TERMINATION
$* endtim endcyc dtmin endeng endmas
20.00000 0 0.0 0.0 0.0
*CONTROL_TIMESTEP
$* dtinit tssfac isdo tslimt dt2ms lctm erode ms1st
0.0 0.500000 0 0.0 0.0
*DATABASE_GLSTAT
0.001000
*DATABASE_MATSUM
0.001000
*DATABASE_BINARY_D3PLOT
0.400000
*DATABASE_EXTENT_BINARY
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0
*ELEMENT_SOLID
$
$ ELEMENT CARDS FOR SOLID ELEMENTS
$
*ELEMENT_SPH
$
*NODE
$
*INITIAL_VELOCITY_NODE
$
*INITIAL_VELOCITY
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$$$$ INITIAL CONDITION
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
1
0.010000 0.0 0.0 0.0 0.0 0.0
2
-0.010000 0.0 0.0 0.0 0.0 0.0
101
0.010000 0.0 0.0 0.0 0.0 0.0
102
-0.010000 0.0 0.0 0.0 0.0 0.0
*BOUNDARY_SPC_SET
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$$$$
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
4 0 0 0 1 0 0 1
*PART
$* title
$* pid secid mid eosid hgid grav adpopt tmid
1 1 1
*SECTION_SOLID
$* secid elform aet
1 1
*MAT_PLASTIC_KINEMATIC
$* mid ro e pr sigy etan beta
1 2.700000 0.165600 0.330000 0.002900 0.0 0.0
$* src srp fs vp
0.0 0.0 0.0 0.0
*PART
$* title
$* pid secid mid eosid hgid grav adpopt tmid
2 1 1
*PART
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ SPH PART $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$* title
material type #101
$* pid secid mid eosid hgid grav adpopt tmid
101 101 1
*SECTION_SPH
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ *SECTION_SPH $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$* secid cslh hmin hmax sphini death start
101 1.100000 0.0 0.0 0.0 0.0 0.0
*PART
$* title
material type #102
$* pid secid mid eosid hgid grav adpopt tmid
102 102 1
*SECTION_SPH
$* secid cslh hmin hmax sphini death start
102 1.100000 0.0 0.0 0.0 0.0 0.0
*SET_NODE_LIST_GENERATE
1 0.0 0.0 0.0 0.0
1 2652
*SET_NODE_LIST_GENERATE
2 0.0 0.0 0.0 0.0
2653 5304
*SET_NODE_LIST_GENERATE
4 0.0 0.0 0.0 0.0
1 5304
*SET_NODE_LIST_GENERATE
101 0.0 0.0 0.0 0.0
1000001 1002700
*SET_NODE_LIST_GENERATE
102 0.0 0.0 0.0 0.0
2000001 2002700
*END
Figures
Figures
Animated Result
Animated Result
