기계유체역학일반기계기사 · 2018년03월04일 · 54/100
54.(x,y)좌표계의 비회전 2차원 유동장에서 속도 포텐션(potential)는 ø=2x2y로 주어졌다. 이때 점(3, 2)인 곳에서 속도 벡터는? (단, 속도포텐셜 ø는 ø≡∇ø=gradø로 정의된다.)
1
24 +18
[IMG]https://img.comcbt.com/cbt/data/ny/ny20180304/ny20180304m54b1-1.gif?1522300688
[IMG]https://img.comcbt.com/cbt/data/ny/ny20180304/ny20180304m54b1-2.gif?1522300688정답
2
-24 +18
[IMG]https://img.comcbt.com/cbt/data/ny/ny20180304/ny20180304m54b2-1.gif?1522300688
[IMG]https://img.comcbt.com/cbt/data/ny/ny20180304/ny20180304m54b2-2.gif?1522300688
3
12 +9
[IMG]https://img.comcbt.com/cbt/data/ny/ny20180304/ny20180304m54b3-1.gif?1522300688
[IMG]https://img.comcbt.com/cbt/data/ny/ny20180304/ny20180304m54b3-2.gif?1522300688
4
-12 +9
[IMG]https://img.comcbt.com/cbt/data/ny/ny20180304/ny20180304m54b4-1.gif?1522300688
[IMG]https://img.comcbt.com/cbt/data/ny/ny20180304/ny20180304m54b4-2.gif?1522300688