2.1 鍒囨噳(y墨ng)鍔涗簰绛夊畾鐞�

鍙楀姏妲�(g貌u)浠跺収(n猫i)浠绘剰涓€榛�(di菐n)鍏╁€�(g猫)鐩镐簰鍨傜洿闈笂锛屽垏鎳�(y墨ng)鍔涚附鏄垚灏�(du矛)鐢�(ch菐n)鐢�锛屽畠鍊戠殑澶у皬鐩哥瓑锛屾柟鍚戝悓鏅�(sh铆)鍨傜洿鎸囧悜鎴栬€呰儗闆㈠叐鎴潰浜ょ窔锛屼笖鑸囨埅闈笂瀛樺湪姝ｆ噳(y墨ng)鍔涜垏鍚︾劇(w煤)闂�(gu膩n)銆�

2.2绱斿壀鍒�

鍠厓楂斿悇鍋�(c猫)闈笂鍙湁鍒囨噳(y墨ng)鍔涜€岀劇(w煤)姝ｆ噳(y墨ng)鍔涚殑鍙楀姏鐙€鎱�(t脿i)锛岀ū鐐虹磾鍓垏鎳�(y墨ng)鍔涚媭鎱�(t脿i)銆�

2.3鍒囨噳(y墨ng)璁�

鍒囨噳(y墨ng)鍔涗綔鐢ㄤ笅锛屽柈鍏冮珨鍏╃浉浜掑瀭鐩撮倞鐨勭洿瑙掓敼璁婇噺绋辩偤鍒囨噳(y墨ng)璁婃垨鍒囨噳(y墨ng)璁�锛岀敤τ琛ㄧず銆�

2.4 鍓垏鑳″厠瀹氬緥

鍦ㄦ潗鏂欑殑姣斾緥妤甸檺鑼冨湇鍏�(n猫i)锛屽垏鎳�(y墨ng)鍔涜垏鍒囨噳(y墨ng)璁婃垚姝ｆ瘮锛屽嵆

τ=Gγ

(3-10) 寮忎腑G鐐烘潗鏂欑殑鍒囪畩妯￠噺锛岀偤鏉愭枡鐨勫張涓€褰堟€у父鏁�(sh霉)(鍙﹀叐鍊�(g猫)褰堟€у父鏁�(sh霉)鐐哄綀鎬фā閲廍鍙婃硦鏉炬瘮ν),鍏舵暩(sh霉)鍊肩敱瀵�(sh铆)椹�(y脿n)姹哄畾銆傚皪(du矛)鍚勫悜鍚屾€ф潗鏂�,E銆�ν銆丟鏈変笅鍒楅棞(gu膩n)绯�

G=E/2(1+ν)

(3-11)

2.5.2鍒囨噳(y墨ng)鍔涜▓(j矛)绠楀叕寮�

姗埅闈笂鏌愪竴榛�(di菐n)鍒囨噳(y墨ng)鍔涘ぇ灏忕偤

τp=Tρ/Ιp

(3-12) 寮忎腑

Ιp鐐鸿┎鎴潰灏�(du矛)鍦撳績鐨勬サ鎱ｆ€х煩锛�

ρ鐐烘姹傜殑榛�(di菐n)鑷冲湏蹇冪殑璺濋洟銆傚湏鎴潰鍛ㄩ倞涓婄殑鍒囨噳(y墨ng)鍔涚偤

τmax=T/Wτ

(3-13) 寮忎腑

Wτ=Ιp/R

绋辩偤鎵綁(zhu菐n)鎴潰绯绘暩(sh霉)锛孯鐐哄湏鎴潰鍗婂緫銆�

2.5.3鍒囨噳(y墨ng)鍔涘叕寮忚◣璜�

(1) 鍒囨噳(y墨ng)鍔涘叕寮�(3-12)鍜屽紡(3-13)閬╃敤浜庢潗鏂欏湪绶氬綀鎬ц寖鍦嶅収(n猫i)銆佸皬璁婂舰鏅�(sh铆)鐨勭瓑鍦撴埅闈㈢洿妗�;灏�(du矛)灏忛寪搴﹀湏鎴潰鐩存】浠ュ強闅庢褰㈠湏杌镐害鍙繎浼兼噳(y墨ng)鐢紝鍏惰宸湪宸ョ▼鍏佽ū鑼冨湇鍏�(n猫i)銆�

(2) 妤垫叄鎬х煩ΙP

鍜屾壄杞�(zhu菐n)鎴潰绯绘暩(sh霉)Wt鏄埅闈㈠咕浣曠壒寰侀噺锛岃▓(j矛)绠楀叕寮忚(ji脿n)琛�3-3銆傚湪闈㈢⿳涓嶈畩鎯呮硜涓�锛屾潗鏂欓洟鏁ｇ▼搴﹂珮锛屽叾鍊兼剤澶�;鍙嶆槧鍑鸿桓鎶垫姉鎵綁(zhu菐n)鐮村鍜岃畩褰㈢殑鑳藉姏鎰堝挤(qi谩ng)銆傚洜姝�锛岃ō(sh猫)瑷�(j矛)绌哄績杌告瘮瀵�(sh铆)蹇冭桓鏇寸偤鍚堢悊銆�

2.5.4寮�(qi谩ng)搴︽浠�

鍦撹桓鎵綁(zhu菐n)鏅�(sh铆)锛屽叏杌镐腑鏈€澶у垏鎳�(y墨ng)鍔涗笉寰楄秴閬�(gu貌)鏉愭枡鍏佽ū妤甸檺鍊�锛屽惁鍓囧皣鐧�(f膩)鐢熺牬澹�銆�