Difference between stiffness method and flexibility method
| S.No. | Stiffness method | Flexibility method |
| 1 | Stiffness method is used to study both statically determinate and indeterminate structures. | It requires a different procedure to study both statically determinate and indeterminate structures. |
| 2 | This method yields displacements and forces directly. | In this method, the displacements are not obtained directly, so it requires some extra steps. |
| 3 | In this, we determine the degree of kinematic indeterminacy(Dk). | In this, we determine the degree of static indeterminacy(Ds). |
| 4 | In this, we calculate reactions and moments. | In this we calculate deflections and rotations. |
| 5 | Also known as displacement method. | Also known as force method. |
| 6 | Ds > Dk | Ds < Dk |
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