文摘运用几乎ϕ-压缩不动点理论讨论了带Lidstone边界条件的弹性梁方程{ y(4)(x)+(k1+k2)y″(x)+k1k2y(x)=f(x,y(x)), x∈[ 0,1 ],y(0)=y(1)=y″(0)=y″(1)=0非平凡解的存在唯一性,其中f:[ 0,1 ]×[ 0,+∞ )→[ 0,+∞ )为连续函数,k1和k2均为常数。The existence and uniqueness of nontrivial solution to the elastic beam equation{ y(4)(x)+(k1+k2)y″(x)+k1k2y(x)=f(x,y(x)), x∈[ 0,1 ],y(0)=y(1)=y″(0)=y″(1)=0with Lidstone boundary conditions were obtained using almost ϕ-compressed fixed point theory, where f:[ 0,1 ]×[ 0,+∞ )→[ 0,+∞ )is a continuous function, k1and k2are constants.