12.1. Umumiy mulohazalar.....................................................................................288 12.2. Dinamik kuchlar ta’sirida vujudga keladigan kuchlanishlami aniqlash.... 289 12.3. Dinamik yuklar ta’sirida hosil bo‘lgan tebranma harakatlar..................... 291 12.4. Inshootlar dinamikasi usullari....................................................................... 294 12.5. Erkinlik darajasi bitta bo‘lgan sistemalarning erkin tebranishlari............. 295 12.6. Erkinlik darajasi bitta bo'lgan sistemalarning majburiy tebranishlari
(qarshilik kuchlari hisobga olinmagan hoi)........................................................... 303
13.1. Asosiy tushunchalar.................................................................................................316 13.2. Siqilgan sterjenlar uchun Eyler form ulasi......................................................... 319 13.3. Uchlari turlicha mahkamlangan steijenlar uchun kritik kuch ifodasi...............323 13.4. Siqilgan sterjenlarni amaliy h isob lash ................................................................325 X I V B O B . K O N S T R U K S I Y A L A R N I N G O P T I M A L 0 ‘L C H A M L A R I V A I S H O N C H L I L I G I N I A N IQ L A S H 14.1. Optimallashtirish m asalasi..................................................................................... 328 14.2. Optimallashtirishdan m aqsad.................................................................................329 14.3. Optimallashtirish masalasini y e c h ish .................................................................. 329 14.4. Ekstremal masalalami yechish u su li................................................................... 334 14.5. Konstruksiyalarni optimal loyihalash.................................................................. 336