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Diffstat (limited to '2087/CH4/EX4.33/example4_33.sce')
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1 files changed, 15 insertions, 0 deletions
diff --git a/2087/CH4/EX4.33/example4_33.sce b/2087/CH4/EX4.33/example4_33.sce new file mode 100755 index 000000000..50a2712f1 --- /dev/null +++ b/2087/CH4/EX4.33/example4_33.sce @@ -0,0 +1,15 @@ +
+
+//example 4.33
+//calculate flood magnitude with return period of 240 years
+clc;funcprot(0);
+//given
+T1=40;T2=80; //Return period
+F1=27000;F2=31000; //Peak flood
+y80=-(2.303*log10(2.303*log10(T2/(T2-1))));
+y40=-(2.303*log10(2.303*log10(T1/(T1-1))));
+y=(F2-F1)/(y80-y40);
+T=240;
+y240=-(2.303*log10(2.303*log10(T/(T-1))));
+x240=F2+(y240-y80)*y;
+mprintf("flood magnitude with return period of 240 years=%i cumec.",x240);
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