Question

Determine the horizontal deflection at point B of the frame shown by virtual work method 3.00 m 62.5 P2 P1-200+AX100 kg P2-200+JX100 kg 500 3.00 m 2 : 200 + 3x100 = 500 k 4.00 m. 8.00 m -700x4ーー162.5 La = 162.5 L Ay = 862.5 L

Answer 1

8 In х. Ay suppoh re.aehoms lead:

500o Tak moment about A me Con sidering clock wise es postthive ond anti o ck wise. as negah e y 162.bo A262 Poo C. Due to real lwad

Ler (M) is the momen-ag- se chon X-X in each member duc o real Loaa as shown em 1 By 6 m Ay Note: Vivtual unvt-load should be arplied in the direchm in whi ch deflection is to be found]

Taking mamen about- A Bv Let 、rm, be the moment al- se, chuonK-X due to visual oads. 点A-1 3

Mm D C. 너 CE 3 = 1500 9000-1500儿 t 4500-1500礼-150。 6-3一儿

Now Def leckion atB in hor 1 mll direcion xen as, M.m 8 E I Mm dx 900-15007 E 1 E1 Q 0350 E I Negahve strnimplies deflechon İs inthe- dire.chon opposite o tha shoun ihe ouwe