一些力學問題 - 土木
By Quintina
at 2013-04-17T17:51
at 2013-04-17T17:51
Table of Contents
1.http://tinyurl.com/cubc5va
想問一下這題判斷是否是不是平面應力是不是看 σ τ τ 是否為0?
zz xz yz
只要其中一個不為0,就是空間應力了,不知道是不是這樣判斷?
這題剛好三個都是0,,所以是平面應力
在問一下如果是空間應力的的話最大剪應力是不是就是紅色圓的半徑5.57 ?
2.http://tinyurl.com/cwb5tpt (題目1)
http://tinyurl.com/bqtc7dd (我的解法)
想問一下這題是否同時滿足線動量跟角動量守恆?因為這題質心沒有外力造成力跟力矩
所以我就這樣算,但我用線動量跟角動量守恆解出來的速度有兩種
如果同時滿足線動量跟角動量守恆照理說速度只會有一種答案?是我假設錯誤?
另外這題我的答案是藍筆部分,跟詳解似乎不太一樣,不知誰對誰錯?
3.http://tinyurl.com/cwb5tpt (題目2)
http://tinyurl.com/cxuok7z (我的解法)
這題我算出來的最大拉應力是在右側上方,但詳解是寫右側下方,不知誰對誰錯?
另外問一下最大拉應力的範圍是一條線嗎?還是一個點?(黑筆部分)
拜託大家了,謝謝^^
--
想問一下這題判斷是否是不是平面應力是不是看 σ τ τ 是否為0?
zz xz yz
只要其中一個不為0,就是空間應力了,不知道是不是這樣判斷?
這題剛好三個都是0,,所以是平面應力
在問一下如果是空間應力的的話最大剪應力是不是就是紅色圓的半徑5.57 ?
2.http://tinyurl.com/cwb5tpt (題目1)
http://tinyurl.com/bqtc7dd (我的解法)
想問一下這題是否同時滿足線動量跟角動量守恆?因為這題質心沒有外力造成力跟力矩
所以我就這樣算,但我用線動量跟角動量守恆解出來的速度有兩種
如果同時滿足線動量跟角動量守恆照理說速度只會有一種答案?是我假設錯誤?
另外這題我的答案是藍筆部分,跟詳解似乎不太一樣,不知誰對誰錯?
3.http://tinyurl.com/cwb5tpt (題目2)
http://tinyurl.com/cxuok7z (我的解法)
這題我算出來的最大拉應力是在右側上方,但詳解是寫右側下方,不知誰對誰錯?
另外問一下最大拉應力的範圍是一條線嗎?還是一個點?(黑筆部分)
拜託大家了,謝謝^^
--
Tags:
土木
All Comments
By James
at 2013-04-18T17:12
at 2013-04-18T17:12
By Elizabeth
at 2013-04-20T01:44
at 2013-04-20T01:44
By Necoo
at 2013-04-20T09:11
at 2013-04-20T09:11
By Edith
at 2013-04-24T08:35
at 2013-04-24T08:35
By Isla
at 2013-04-28T13:36
at 2013-04-28T13:36
By Ivy
at 2013-05-02T07:26
at 2013-05-02T07:26
By Wallis
at 2013-05-06T01:00
at 2013-05-06T01:00
By Oliver
at 2013-05-08T11:26
at 2013-05-08T11:26
By Emily
at 2013-05-08T18:33
at 2013-05-08T18:33
By Candice
at 2013-05-09T23:16
at 2013-05-09T23:16
By Xanthe
at 2013-05-12T12:50
at 2013-05-12T12:50
By Hazel
at 2013-05-16T21:46
at 2013-05-16T21:46
By Megan
at 2013-05-18T11:05
at 2013-05-18T11:05
By Regina
at 2013-05-20T02:59
at 2013-05-20T02:59
By Emily
at 2013-05-22T20:08
at 2013-05-22T20:08
By Jake
at 2013-05-27T02:24
at 2013-05-27T02:24
By Susan
at 2013-05-27T17:16
at 2013-05-27T17:16
By Kumar
at 2013-05-30T17:52
at 2013-05-30T17:52
By Elvira
at 2013-06-03T00:33
at 2013-06-03T00:33
By Tristan Cohan
at 2013-06-04T06:43
at 2013-06-04T06:43
By Poppy
at 2013-06-04T22:09
at 2013-06-04T22:09
By Genevieve
at 2013-06-08T20:31
at 2013-06-08T20:31
By Tom
at 2013-06-12T01:42
at 2013-06-12T01:42
By Bennie
at 2013-06-14T07:34
at 2013-06-14T07:34
By Anonymous
at 2013-06-17T16:50
at 2013-06-17T16:50
By Steve
at 2013-06-18T08:26
at 2013-06-18T08:26
By Poppy
at 2013-06-20T14:50
at 2013-06-20T14:50
By Jessica
at 2013-06-20T20:45
at 2013-06-20T20:45
By Dorothy
at 2013-06-21T03:15
at 2013-06-21T03:15
By Zenobia
at 2013-06-23T11:03
at 2013-06-23T11:03
By Adele
at 2013-06-26T13:44
at 2013-06-26T13:44
Related Posts
幾題力學問題
By Ida
at 2013-04-16T20:27
at 2013-04-16T20:27
便宜的二手全新勞安設備
By Kumar
at 2013-04-16T12:16
at 2013-04-16T12:16
南部的學分班?
By Charlotte
at 2013-04-16T00:00
at 2013-04-16T00:00
流力問題
By Barb Cronin
at 2013-04-15T10:07
at 2013-04-15T10:07
水資源工程書
By David
at 2013-04-13T22:02
at 2013-04-13T22:02