38
39
40
41#include "implicit_f.inc"
42
43
44
45#include "mvsiz_p.inc"
46
47
48
49 INTEGER, INTENT(IN) :: NEL,ICS,IDT1SOL
50 my_real,
DIMENSION(MVSIZ) ,
INTENT(OUT) :: llsh
51 my_real,
DIMENSION(MVSIZ) ,
INTENT(IN) ::
52 . x1, x2, x3, x4, x5, x6, x7, x8,
53 . y1, y2, y3, y4, y5, y6, y7, y8,
54 . z1, z2, z3, z4, z5, z6, z7, z8
55
56
57
58 INTEGER I, J, N
60 . rx(mvsiz),ry(mvsiz),rz(mvsiz),sx(mvsiz),sy(mvsiz),sz(mvsiz),
61 . vq(3,3,mvsiz), lxyz0(3),deta1(mvsiz),xx,yy,zz,
62 . xl2(mvsiz),xl3(mvsiz),xl4(mvsiz),yl2(mvsiz),
63 . yl3(mvsiz),yl4(mvsiz),zl1(mvsiz),
64 . xn(mvsiz,4) , yn(mvsiz,4) , zn(mvsiz,4) ,
area(mvsiz)
66 . al1,al2,ll(mvsiz),corel(2,4)
68 . x13,x24,y13,y24,l13,l24,c1,c2,thkly,posly,
69 . fac,visce,rx1,ry1,sx1,sy1,s1,fac1,fac2,faci,fac11,facdt
70
71 SELECT CASE(ics)
72 CASE (1)
73 DO i=1,nel
74 xn(i,1) = half*(x1(i)+x4(i))
75 yn(i,1) = half*(y1(i)+y4(i))
76 zn(i,1) = half*(z1(i)+z4(i))
77 xn(i,2) = half*(x2(i)+x3(i))
78 yn(i,2) = half*(y2(i)+y3(i))
79 zn(i,2) = half*(z2(i)+z3(i))
80 xn(i,3) = half*(x6(i)+x7(i))
81 yn(i,3) = half*(y6(i)+y7(i))
82 zn(i,3) = half*(z6(i)+z7(i))
83 xn(i,4) = half*(x5(i)+x8(i))
84 yn(i,4) = half*(y5(i)+y8(i))
85 zn(i,4) = half*(z5(i)+z8(i))
86 ENDDO
87 CASE (10)
88 DO i=1,nel
89 xn(i,1) = half*(x1(i)+x5(i))
90 yn(i,1) = half*(y1(i)+y5(i))
91 zn(i,1) = half*(z1(i)+z5(i))
92 xn(i,2) = half*(x2(i)+x6(i))
93 yn(i,2) = half*(y2(i)+y6(i))
94 zn(i,2) = half*(z2(i)+z6(i))
95 xn(i,3) = half*(x3(i)+x7(i))
96 yn(i,3) = half*(y3(i)+y7(i))
97 zn(i,3) = half*(z3(i)+z7(i))
98 xn(i,4) = half*(x4(i)+x8(i))
99 yn(i,4) = half*(y4(i)+y8(i))
100 zn(i,4) = half*(z4(i)+z8(i))
101 ENDDO
102 CASE (100)
103 DO i=1,nel
104 xn(i,1) = half*(x1(i)+x2(i))
105 yn(i,1) = half*(y1(i)+y2(i))
106 zn(i,1) = half*(z1(i)+z2(i))
107 xn(i,2) = half*(x5(i)+x6(i))
108 yn(i,2) = half*(y5(i)+y6(i))
109 zn(i,2) = half*(z5(i)+z6(i))
110 xn(i,3) = half*(x8(i)+x7(i))
111 yn(i,3) = half*(y8(i)+y7(i))
112 zn(i,3) = half*(z8(i)+z7(i))
113 xn(i,4) = half*(x4(i)+x3(i))
114 yn(i,4) = half*(y4(i)+y3(i))
115 zn(i,4) = half*(z4(i)+z3(i))
116 ENDDO
117 END SELECT
118
119 DO i=1,nel
120 rx(i)=xn(i,2)+xn(i,3)-xn(i,1)-xn(i,4)
121 ry(i)=yn(i,2)+yn(i,3)-yn(i,1)-yn(i,4)
122 rz(i)=zn(i,2)+zn(i,3)-zn(i,1)-zn(i,4)
123 sx(i)=xn(i,3)+xn(i,4)-xn(i,1)-xn(i,2)
124 sy(i)=yn(i,3)+yn(i,4)-yn(i,1)-yn(i,2)
125 sz(i)=zn(i,3)+zn(i,4)-zn(i,1)-zn(i,2)
126 ENDDO
127
128 CALL clsys3(rx, ry, rz, sx, sy, sz,
129 . vq, deta1,nel,mvsiz)
130
131 DO i=1,nel
132 lxyz0(1)=fourth*(xn(i,1)+xn(i,2)+xn(i,3)+xn(i,4))
133 lxyz0(2)=fourth*(yn(i,1)+yn(i,2)+yn(i,3)+yn(i,4))
134 lxyz0(3)=fourth*(zn(i,1)+zn(i,2)+zn(i,3)+zn(i,4))
135 xx=xn(i,2)-xn(i,1)
136 yy=yn(i,2)-yn(i,1)
137 zz=zn(i,2)-zn(i,1)
138 xl2(i)=vq(1,1,i)*xx+vq(2,1,i)*yy+vq(3,1,i)*zz
139 yl2(i)=vq(1,2,i)*xx+vq(2,2,i)*yy+vq(3,2,i)*zz
140 xx=xn(i,2)-lxyz0(1)
141 yy=yn(i,2)-lxyz0(2)
142 zz=zn(i,2)-lxyz0(3)
143 zl1(i)=vq(1,3,i)*xx+vq(2,3,i)*yy+vq(3,3,i)*zz
144
145 xx=xn(i,3)-xn(i,1)
146 yy=yn(i,3)-yn(i,1)
147 zz=zn(i,3)-zn(i,1)
148 xl3(i)=vq(1,1,i)*xx+vq(2,1,i)*yy+vq(3,1,i)*zz
149 yl3(i)=vq(1,2,i)*xx+vq(2,2,i)*yy
150
151 xx=xn(i,4)-xn(i,1)
152 yy=yn(i,4)-yn(i,1)
153 zz=zn(i,4)-zn(i,1)
154 xl4(i)=vq(1,1,i)*xx+vq(2,1,i)*yy+vq(3,1,i)*zz
155 yl4(i)=vq(1,2,i)*xx+vq(2,2,i)*yy+vq(3,2,i)*zz
156 area(i)=fourth*deta1(i)
157 ENDDO
158 fac = two
159 facdt = five_over_4
160
161 IF (idt1sol>0) facdt =four_over_3
162
163 DO i=1,nel
164 lxyz0(1)=fourth*(xl2(i)+xl3(i)+xl4(i))
165 lxyz0(2)=fourth*(yl2(i)+yl3(i)+yl4(i))
166 corel(1,1)=-lxyz0(1)
167 corel(1,2)=xl2(i)-lxyz0(1)
168 corel(1,3)=xl3(i)-lxyz0(1)
169 corel(1,4)=xl4(i)-lxyz0(1)
170 corel(2,1)=-lxyz0(2)
171 corel(2,2)=yl2(i)-lxyz0(2)
172 corel(2,3)=yl3(i)-lxyz0(2)
173 corel(2,4)=yl4(i)-lxyz0(2)
174 x13=(corel(1,1)-corel(1,3))*half
175 x24=(corel(1,2)-corel(1,4))*half
176 y13=(corel(2,1)-corel(2,3))*half
177 y24=(corel(2,2)-corel(2,4))*half
178
179 l13=x13*x13+y13*y13
180 l24=x24*x24+y24*y24
182 c1 =corel(1,2)*corel(2,4)-corel(2,2)*corel(1,4)
183 c2 =corel(1,1)*corel(2,3)-corel(2,1)*corel(1,3)
184 al2 =
max(abs(c1),abs(c2))/
area(i)
185 rx1=x24-x13
186 ry1=y24-y13
187 sx1=-x24-x13
188 sy1=-y24-y13
189 c1=sqrt(rx1*rx1+ry1*ry1)
190 c2=sqrt(sx1*sx1+sy1*sy1)
191 s1=fourth*(
max(c1,c2)/
min(c1,c2)-one)
192 fac1=
min(half,s1)+one
194 fac2=3.413*
max(zero,fac2-0.7071)
195 fac2=0.78+0.22*fac2*fac2*fac2
196 faci=two*fac1*fac2
197 s1 = sqrt(faci*(facdt+al2)*al1)
200 ENDDO
201
202 RETURN
subroutine area(d1, x, x2, y, y2, eint, stif0)
subroutine clsys3(rx, ry, rz, sx, sy, sz, vq, det, nel, mvsiz)