*HEADING
DERA UNDEX Benchmark Problem 1
Taylor Plate with Planar Exponentially Decaying Shockwave
*NODE,NSET=PLATE
 1,0.0,0.0,0.0
 2,1.0,0.0,0.0
 3,1.0,1.0,0.0
 4,0.0,1.0,0.0
*NODE,NSET=SPRINGS
 5,0.0,0.0,-1.0
 6,1.0,0.0,-1.0
 7,1.0,1.0,-1.0
 8,0.0,1.0,-1.0
*NODE,NSET=WATER1
 1001,0.0,0.0,0.0
 1002,1.0,0.0,0.0
 1003,1.0,1.0,0.0
 1004,0.0,1.0,0.0
*NODE,NSET=WATER2
 2601,0.0,0.0,5.5
 2602,1.0,0.0,5.5
 2603,1.0,1.0,5.5
 2604,0.0,1.0,5.5
*NGEN,NSET=WATER3
 1001,2601,4
 1002,2602,4
 1003,2603,4
 1004,2604,4
**
** The following gives 46 elements per decay length
**
*ELEMENT,TYPE=AC3D8R,ELSET=WATER
 1,1001,1002,1003,1004,1005,1006,1007,1008
*ELGEN,ELSET=WATER
 1,400,4,1
*ELEMENT,TYPE=S4R,ELSET=PLATE
 10000,1,2,3,4
*ELEMENT,TYPE=SPRINGA,ELSET=SPRINGS
 1000,1,5
 1001,2,6
 1002,3,7
 1003,4,8
*SPRING,ELSET=SPRINGS
 
 4.919E6,
**
**
*SOLID SECTION,ELSET=WATER,MATERIAL=WATER
*SHELL SECTION,ELSET=PLATE,MATERIAL=STEEL
 6.35E-3,
**
**
*MATERIAL,NAME=STEEL
*ELASTIC
 210.0E9,0.3
*DENSITY
 7850.0,
*MATERIAL,NAME=WATER
*ACOUSTIC MEDIUM
 1.96E9
*DENSITY
 1000.0,
**
**
*SURFACE,NAME=FLUID
 1,S1
*SURFACE,NAME=SOLID
 10000,SPOS
*SURFACE,NAME=END
 400,S2
**
**
*TIE,NAME=COUPLE
 FLUID,SOLID
*BOUNDARY
 PLATE,1,2
 SPRINGS,1,3
**
**
*INCIDENT WAVE PROPERTY,NAME=WAVE,TYPE=PLANE
 0.5,0.5,0.0,
 0.5,0.5,1.0E4,
*INCIDENT WAVE FLUID PROPERTY
 1.96E9,1000.0
**
**
*AMPLITUDE,NAME=PULSE,TIME=TOTAL TIME
** Ramp up in tau/50
.00000D+00,.00000D+00,.43300D-07,.38884D+03,.86600D-07,.15553D+04,.12990D-06,.34992D+04
.17320D-06,.62206D+04,.21650D-06,.97191D+04,.25980D-06,.13995D+05,.30310D-06,.19048D+05
.34640D-06,.24877D+05,.38970D-06,.31484D+05,.43300D-06,.38867D+05,.47630D-06,.47027D+05
.51960D-06,.55963D+05,.56290D-06,.65675D+05,.60620D-06,.76164D+05,.64950D-06,.87429D+05
.69280D-06,.99469D+05,.73610D-06,.11229D+06,.77940D-06,.12588D+06,.82270D-06,.14025D+06
.86600D-06,.15539D+06,.90930D-06,.17131D+06,.95260D-06,.18800D+06,.99590D-06,.20547D+06
.10392D-05,.22372D+06,.10825D-05,.24274D+06,.11258D-05,.26253D+06,.11691D-05,.28310D+06
.12124D-05,.30444D+06,.12557D-05,.32656D+06,.12990D-05,.34945D+06,.13423D-05,.37312D+06
.13856D-05,.39756D+06,.14289D-05,.42277D+06,.14722D-05,.44876D+06,.15155D-05,.47552D+06
.15588D-05,.50306D+06,.16021D-05,.53137D+06,.16454D-05,.56045D+06,.16887D-05,.59031D+06
.17320D-05,.62094D+06,.17753D-05,.65234D+06,.18186D-05,.68452D+06,.18619D-05,.71746D+06
.19052D-05,.75118D+06,.19485D-05,.78568D+06,.19918D-05,.82094D+06,.20351D-05,.85698D+06
.20784D-05,.89379D+06,.21217D-05,.93138D+06,.21650D-05,.96973D+06,.22083D-05,.10089D+07
.22516D-05,.10488D+07,.22949D-05,.10894D+07,.23382D-05,.11309D+07,.23815D-05,.11731D+07
.24248D-05,.12161D+07,.24681D-05,.12598D+07,.25114D-05,.13043D+07,.25547D-05,.13496D+07
.25980D-05,.13957D+07,.26413D-05,.14426D+07,.26846D-05,.14902D+07,.27279D-05,.15385D+07
.27712D-05,.15877D+07,.28145D-05,.16376D+07,.28578D-05,.16883D+07,.29011D-05,.17398D+07
.29444D-05,.17920D+07,.29877D-05,.18450D+07,.30310D-05,.18988D+07,.30743D-05,.19533D+07
.31176D-05,.20086D+07,.31609D-05,.20647D+07,.32042D-05,.21216D+07,.32475D-05,.21792D+07
.32908D-05,.22376D+07,.33341D-05,.22967D+07,.33774D-05,.23566D+07,.34207D-05,.24173D+07
.34640D-05,.24788D+07,.35073D-05,.25410D+07,.35506D-05,.26040D+07,.35939D-05,.26678D+07
.36372D-05,.27323D+07,.36805D-05,.27976D+07,.37238D-05,.28637D+07,.37671D-05,.29305D+07
.38104D-05,.29981D+07,.38537D-05,.30665D+07,.38970D-05,.31357D+07,.39403D-05,.32056D+07
.39836D-05,.32762D+07,.40269D-05,.33477D+07,.40702D-05,.34199D+07,.41135D-05,.34929D+07
.41568D-05,.35666D+07,.42001D-05,.36411D+07,.42434D-05,.37164D+07,.42867D-05,.37924D+07
.43300D-05,.38692D+07,.43733D-05,.39468D+07,.44166D-05,.40252D+07,.44599D-05,.41043D+07
.45032D-05,.41841D+07,.45465D-05,.42648D+07,.45898D-05,.43462D+07,.46331D-05,.44284D+07
.46764D-05,.45113D+07,.47197D-05,.45950D+07,.47630D-05,.46795D+07,.48063D-05,.47647D+07
.48496D-05,.48507D+07,.48929D-05,.49374D+07,.49362D-05,.50250D+07,.49795D-05,.51133D+07
.50228D-05,.52023D+07,.50661D-05,.52921D+07,.51094D-05,.53827D+07,.51527D-05,.54741D+07
.51960D-05,.55662D+07,.52393D-05,.56590D+07,.52826D-05,.57527D+07,.53259D-05,.58471D+07
.53692D-05,.59422D+07,.54125D-05,.60382D+07,.54558D-05,.61349D+07,.54991D-05,.62323D+07
.55424D-05,.63305D+07,.55857D-05,.64295D+07,.56290D-05,.65292D+07,.56723D-05,.66298D+07
.57156D-05,.67310D+07,.57589D-05,.68331D+07,.58022D-05,.69358D+07,.58455D-05,.70394D+07
.58888D-05,.71437D+07,.59321D-05,.72488D+07,.59754D-05,.73546D+07,.60187D-05,.74612D+07
.60620D-05,.75686D+07,.61053D-05,.76767D+07,.61486D-05,.77856D+07,.61919D-05,.78953D+07
.62352D-05,.80057D+07,.62785D-05,.81169D+07,.63218D-05,.82288D+07,.63651D-05,.83415D+07
.64084D-05,.84549D+07,.64517D-05,.85691D+07,.64950D-05,.86841D+07,.65383D-05,.87999D+07
.65816D-05,.89164D+07,.66249D-05,.90336D+07,.66682D-05,.91516D+07,.67115D-05,.92704D+07
.67548D-05,.93899D+07,.67981D-05,.95102D+07,.68414D-05,.96313D+07,.68847D-05,.97531D+07
.69280D-05,.98757D+07,.69713D-05,.99990D+07,.70146D-05,.10123D+08,.70579D-05,.10248D+08
.71012D-05,.10374D+08,.71445D-05,.10500D+08,.71878D-05,.10627D+08,.72311D-05,.10755D+08
.72744D-05,.10884D+08,.73177D-05,.11013D+08,.73610D-05,.11143D+08,.74043D-05,.11274D+08
.74476D-05,.11406D+08,.74909D-05,.11538D+08,.75342D-05,.11671D+08,.75775D-05,.11805D+08
.76208D-05,.11940D+08,.76641D-05,.12076D+08,.77074D-05,.12212D+08,.77507D-05,.12349D+08
.77940D-05,.12486D+08,.78373D-05,.12625D+08,.78806D-05,.12764D+08,.79239D-05,.12904D+08
.79672D-05,.13045D+08,.80105D-05,.13186D+08,.80538D-05,.13329D+08,.80971D-05,.13472D+08
.81404D-05,.13616D+08,.81837D-05,.13760D+08,.82270D-05,.13905D+08,.82703D-05,.14051D+08
.83136D-05,.14198D+08,.83569D-05,.14346D+08,.84002D-05,.14494D+08,.84435D-05,.14643D+08
.84868D-05,.14793D+08,.85301D-05,.14944D+08,.85734D-05,.15095D+08,.86167D-05,.15247D+08
.86600D-05,.15400D+08,.11691D-03,.11994D+08,.22516D-03,.93406D+07,.33341D-03,.72744D+07
.44166D-03,.56653D+07,.54991D-03,.44122D+07,.65816D-03,.34362D+07,.76641D-03,.26761D+07
.87466D-03,.20842D+07,.98291D-03,.16231D+07,.10912D-02,.12641D+07,.11994D-02,.98449D+06
.13077D-02,.76672D+06,.14159D-02,.59712D+06,.15242D-02,.46504D+06,.16324D-02,.36217D+06
.17407D-02,.28206D+06,.18489D-02,.21967D+06,.19572D-02,.17108D+06,.20654D-02,.13324D+06
.21737D-02,.10376D+06,.22819D-02,.80812D+05,.23902D-02,.62936D+05,.24984D-02,.49015D+05
.26067D-02,.38173D+05,.27149D-02,.29729D+05,.28232D-02,.23153D+05,.29314D-02,.18032D+05
.30397D-02,.14043D+05,.31479D-02,.10937D+05,.32562D-02,.85175D+04,.33644D-02,.66334D+04
.34727D-02,.51661D+04,.35809D-02,.40234D+04,.36892D-02,.31334D+04,.37974D-02,.24403D+04
.39057D-02,.19005D+04,.40139D-02,.14801D+04,.41222D-02,.11527D+04,.42304D-02,.89774D+03
.43387D-02,.69916D+03,.44469D-02,.54451D+03,.45552D-02,.42406D+03,.46634D-02,.33026D+03
.47717D-02,.25721D+03,.48799D-02,.20031D+03,.49882D-02,.15600D+03,.50964D-02,.12150D+03
.52047D-02,.94621D+02,.53129D-02,.73691D+02,.54212D-02,.57390D+02,.55294D-02,.44696D+02
.56377D-02,.34809D+02,.57459D-02,.27109D+02,.58542D-02,.21113D+02,.59624D-02,.16443D+02
.60707D-02,.12806D+02,.61789D-02,.99730D+01,.62872D-02,.77670D+01,.63954D-02,.60489D+01
.65037D-02,.47109D+01,.66119D-02,.36688D+01,.67202D-02,.28573D+01,.68284D-02,.22253D+01
.69367D-02,.17330D+01,.70449D-02,.13497D+01,.71532D-02,.10511D+01,.72614D-02,.81863D+00
.73697D-02,.63755D+00,.74779D-02,.49652D+00,.75862D-02,.38669D+00,.76944D-02,.30116D+00
.78027D-02,.23454D+00,.79109D-02,.18266D+00,.80192D-02,.14226D+00,.81274D-02,.11079D+00
.82357D-02,.86283D-01,.83439D-02,.67197D-01,.84522D-02,.52333D-01,.85604D-02,.40757D-01
.86687D-02,.31742D-01,.87769D-02,.24721D-01,.88852D-02,.19252D-01,.89934D-02,.14994D-01
**
*STEP
*DYNAMIC,EXPLICIT,DIRECT USER CONTROL
 1.0E-8,1.0E-4
*INCIDENT WAVE,PROPERTY=WAVE,PRESSURE AMPLITUDE=PULSE
 SOLID,1.0
*INCIDENT WAVE,PROPERTY=WAVE,PRESSURE AMPLITUDE=PULSE
 FLUID,1.0
*SIMPEDANCE
 END,
*BULK VISCOSITY
 0.25,10.0
*OUTPUT,FIELD
*NODE OUTPUT
 POR,
*OUTPUT,HISTORY,TIME INTERVAL=5.0E-7
*NODE OUTPUT,NSET=PLATE
 U,V
*NODE OUTPUT,NSET=WATER1
 POR,
*END STEP