[basma]

Hello i am havinga model of four blocks and im trying to run a simulation for the airflow around them , i generated that mesh but when i run the simplefoam simulation it crashed.
is the problem with my mesh ? and if yes can you please help me how to mesh it differently ?

Lc = 0.1;
Ax= 11;

point(1) = {0, 0, 0, lc};
//+
Point(2) = {40, 0, 0, lc};
//+
Point(3) = {60, 0, 0, lc};
//+
Point(4) = {100, 0, 0, lc};
//+
Point(5) = {170, 0, 0, 1.0};
//+
Point(6) = {-70, 0, 0, 1.0};
//+
Point(7) = {-70, -70, 0, 1.0};
//+
Point(8) = {0, -70, 0, 1.0};
//+
Point(9) = {40, -70, 0, 1.0};
//+
Point(10) = {60, -70, 0, 1.0};
//+
Point(11) = {100, -70, 0, 1.0};
//+
Point(12) = {170, -70, 0, 1.0};
//+
Point(13) = {-70, 300, 0, 1.0};
//+
Point(14) = {0, 300, 0, lc};
//+
Point(15) = {40, 300, 0, lc};
//+
Point(16) = {60, 300, 0, lc};
//+
Point(17) = {100, 300, 0, lc};
//+
Point(18) = {170, 300, 0, 11};
//+
Point(19) = {170, 500, 0, Ax};
//+
Point(20) = {100, 500, 0, Ax};
//+
Point(21) = {60, 500, 0, Ax};
//+
Point(22) = {40, 500, 0, Ax};
//+
Point(23) = {0, 500, 0, Ax};
//+
Point(24) = {-70, 500, 0, Ax};
//+
Point(25) = {-70, 120, 0, 1.0};
//+
Point(26) = {-70, 140, 0, 1.0};
//+
Point(27) = {0, 140, 0, lc};
//+
Point(28) = {0, 120, 0, lc};
//+
Point(29) = {40, 120, 0, lc};
//+
Point(30) = {40, 140, 0, lc};
//+
Point(31) = {60, 160, 0, lc};
//+
Point(32) = {60, 140, 0, lc};
//+
Point(33) = {100, 140, 0, lc};
//+
Point(34) = {100, 160, 0, lc};
//+
Point(35) = {170, 160, 0, 1.0};
//+
Point(36) = {170, 140, 0, 1.0};
//+
Line(1) = {1, 2};
//+
Line(2) = {2, 9};
//+
Line(3) = {9, 8};
//+
Line(4) = {8, 1};
//+
Line(5) = {1, 6};
//+
Line(6) = {6, 7};
//+
Line(7) = {7, 8};
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Line(8) = {6, 25};
//+
Line(9) = {25, 28};
//+
Line(10) = {28, 1};
//+
Line(11) = {2, 29};
//+
Line(12) = {29, 28};
//+
Line(13) = {28, 27};
//+
Line(14) = {27, 30};
//+
Line(15) = {30, 29};
//+
Line(16) = {29, 32};
//+
Line(17) = {32, 31};
//+
Line(18) = {31, 30};
//+
Line(19) = {30, 15};
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Line(20) = {15, 16};
//+
Line(21) = {16, 31};
//+
Line(22) = {31, 34};
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Line(23) = {34, 17};
//+
Line(24) = {17, 16};
//+
Line(25) = {17, 18};
//+
Line(26) = {18, 35};
//+
Line(27) = {35, 34};
//+
Line(28) = {34, 33};
//+
Line(29) = {33, 36};
//+
Line(30) = {36, 35};
//+
Line(31) = {33, 32};
//+
Line(32) = {32, 3};
//+
Line(33) = {3, 4};
//+
Line(34) = {4, 33};
//+
Line(35) = {36, 5};
//+
Line(36) = {5, 4};
//+
Line(37) = {4, 11};
//+
Line(38) = {11, 12};
//+
Line(39) = {12, 5};
//+
Line(40) = {11, 10};
//+
Line(41) = {10, 3};
//+
Line(42) = {3, 2};
//+
Line(43) = {9, 10};
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Line(44) = {27, 26};
//+
Line(45) = {26, 25};
//+
Line(46) = {26, 13};
//+
Line(47) = {13, 14};
//+
Line(48) = {14, 27};
//+
Line(49) = {15, 14};
//+
Line(50) = {14, 23};
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Line(51) = {23, 24};
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Line(52) = {24, 13};
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Line(53) = {23, 22};
//+
Line(54) = {22, 15};
//+
Line(55) = {16, 21};
//+
Line(56) = {21, 22};
//+
Line(57) = {21, 20};
//+
Line(58) = {20, 17};
//+
Line(59) = {18, 19};
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Line(60) = {19, 20};
//+
Curve Loop(1) = {5, 6, 7, 4};
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Plane Surface(1) = {1};
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Curve Loop(2) = {1, 2, 3, 4};
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Plane Surface(2) = {2};
//+
Curve Loop(3) = {42, 2, 43, 41};
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Plane Surface(3) = {3};
//+
Curve Loop(4) = {41, 33, 37, 40};
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Plane Surface(4) = {4};
//+
Curve Loop(5) = {36, 37, 38, 39};
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Plane Surface(5) = {5};
//+
Curve Loop(6) = {36, 34, 29, 35};
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Plane Surface(6) = {6};
//+
Curve Loop(7) = {34, 31, 32, 33};
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Plane Surface(7) = {7};
//+
Curve Loop(8) = {32, 42, 11, 16};
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Plane Surface(8) = {8};
//+
Curve Loop(9) = {11, 12, 10, 1};
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Plane Surface(9) = {9};
//+
Curve Loop(10) = {9, 10, 5, 8};
//+
Plane Surface(10) = {10};
//+
Curve Loop(11) = {9, 13, 44, 45};
//+
Plane Surface(11) = {11};
//+
Curve Loop(12) = {13, 14, 15, 12};
//+
Plane Surface(12) = {12};
//+
Curve Loop(13) = {15, 16, 17, 18};
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Plane Surface(13) = {13};
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Curve Loop(14) = {17, 22, 28, 31};
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Plane Surface(14) = {14};
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Curve Loop(15) = {27, 28, 29, 30};
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Plane Surface(15) = {15};
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Curve Loop(16) = {27, 23, 25, 26};
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Plane Surface(16) = {16};
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Curve Loop(17) = {23, 24, 21, 22};
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Plane Surface(17) = {17};
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Curve Loop(18) = {20, 21, 18, 19};
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Plane Surface(18) = {18};
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Curve Loop(19) = {19, 49, 48, 14};
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Plane Surface(19) = {19};
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Curve Loop(20) = {48, 44, 46, 47};
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Plane Surface(20) = {20};
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Curve Loop(21) = {52, 47, 50, 51};
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Plane Surface(21) = {21};
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Curve Loop(22) = {50, 53, 54, 49};
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Plane Surface(22) = {22};
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Curve Loop(23) = {54, 20, 55, 56};
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Plane Surface(23) = {23};
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Curve Loop(24) = {55, 57, 58, 24};
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Plane Surface(24) = {24};
//+
Curve Loop(25) = {58, 25, 59, 60};
//+
Plane Surface(25) = {25};
//+
Extrude {0, 0, 10} {
Surface{1}; Surface{13}; Surface{25}; Surface{24}; Surface{23}; Surface{22}; Surface{21}; Surface{20}; Surface{19}; Surface{18}; Surface{17}; Surface{16}; Surface{15}; Surface{14}; Surface{12}; Surface{11}; Surface{10}; Surface{9}; Surface{8}; Surface{7}; Surface{6}; Surface{5}; Surface{4}; Surface{3}; Surface{2};
}
//+
Extrude {0, 0, 50} {
Surface{56}; Surface{52}; Surface{60}; Surface{63}; Surface{48}; Surface{44}; Surface{40}; Surface{71}; Surface{68}; Surface{65}; Surface{86}; Surface{30}; Surface{110}; Surface{89}; Surface{92}; Surface{95}; Surface{98}; Surface{102}; Surface{108}; Surface{105}; Surface{83}; Surface{77}; Surface{35}; Surface{80}; Surface{75};
}
//+
BooleanDifference{ Volume{45}; Volume{37}; Volume{38}; Volume{43}; Volume{44}; Volume{22}; Volume{25}; Volume{24}; Volume{23}; Volume{1}; Volume{3}; Volume{4}; Volume{5}; Volume{6}; Volume{7}; Volume{26}; Volume{27}; Volume{30}; Volume{31}; Volume{32}; Volume{12}; Volume{13}; Volume{21}; Volume{33}; Volume{42}; Volume{50}; Volume{28}; Volume{36}; Volume{46}; Volume{8}; Volume{16}; Volume{17}; Volume{47}; Volume{14}; Volume{48}; Volume{40}; Volume{35}; Volume{2}; Volume{10}; Volume{19}; Volume{49}; Volume{15}; Volume{34}; Volume{29}; Volume{41}; Volume{39}; Delete; }{ Volume{11}; Volume{9}; Volume{18}; Volume{20}; Delete; }