11.3 interpretation of the slope deflection equation Transverse displacement, member distortion M=4·9， M=24.9 /2 Coupling of a stiffness term and a displace-ment quantity 4EI FEMnf 9 11.4 Beam problems b /constant Mab 2EKab(20 +0p)+FEMab Mba 2EKab(20p+0a)+FEMba Mbc 2EKbe(20p+0c) Mcb=2EKc(20。+0b) ∑M。=Mb=0 4EKab0 2EKab0=-FEMab ∑M6=Mba+Mbc=0 2EKab0.+(4EKab4EKbc)8。+2EK0。=-FEMbo ∑Me=Mcb=0 2EKbe0。+4EKe0。=0 同榜大学 土床工程学院 10