Mechanism Generation for Limit Analysis of Frames
A method is presented for the automatic generation of the required basic mechanisms for use in a limit (collapse) analysis of a planar structure. Constraint equations are written to ensure...

Doubly Curved Membrane Shell Finite Element
The formulation and testing of a high-order doubly curved membrane shell finite element is presented. Specialized for application to shells of revolution, the element is defined by lines...

Torsion of Solid and Hollow Rectangular Beams
The derivation of an expression for the St. Venant torsional stiffness of a beam of variable torsional rigidity is given, and this is applied to the evaluation of this stiffness for tapering...

Stability Analysis of Cable-Stayed Rigid Frames
The stability analysis of two-dimensional cable-stayed rigid frames containing a mixture of rigid and pin joints, may be conveniently performed on the computer to obtain the critical buckling...

Least Weight of a Sandwich Panel

Free Lateral Vibrations of Liquid Storage Tanks

Continuous Skew Orthotropic Plate Structures
A series solution has been developed to analyze continuous skew orthotropic plate structures subjected to laterally applied uniform and concentrated (patch) loads. Various practical skew...

Buckling of Imperfect Rigid-Jointed Frames
The buckling of multistory, multibay frames is investigated. A method of analysis is presented for estimating directly critical conditions, for both bifurcational and limit point type...

Strength of Steel Frames under Gravity Loads
The stability of tall, rigidly-jointed, unbraced, steel frames under pure gravity loads is ensured when proportioned by the current allowable-stress concept provided they meet certain...

Computer Bifurcation Analysis of Rigid Frames with Yielded Columns

Bending of Ring-Sector Plates of Variable Stiffness
For the bending of ring plates of varying thickness having rotational symmetry in rigidity, loading, and boundary conditions, a wide range of solutions have been reported in the literature....

Estimated Weight of Plane Building Frames
The automatic elastic design of unbraced rigid frame multistory steel buildings has been accomplished by a computer program. The technique employed makes use of approximate and exact analysis...

Trapezoidally Corrugated Plates in Shear
Rather precise elastic analyses have been made of trapezoidally corrugated plates in shear with four different kinds of discrete attachment between the ends of the corrugations and the...

Analysis of Some Double Layer Grids
An approximate method of analysis based upon the replacement of planar trussed members by analogous prismatic I-beams in double layer diagonal grids is examined. The goemetrical properties...

Evaluation of Nuclear Power Plant Structural Foundation Rigidities

Hanging Cable as Rotational Vibration Absorber
Many basic textbooks present an analysis of free vibration of a uniform cable hanging in a gravitational field. An extension to illustrate the effects of a concentrated tip mass is given...

Fictitious Strains Due to Rigid Body Rotation
The behavior of structures that exhibit large displacements under loading must be predicted through a nonlinear analysis in which terms higher than first order are included in the strain-displacement...

Linear Structural Analysis of Multistory Buildings
A technique is developed for the analysis of two or three-dimensional multistory building frames subjected to a general system of loads. Floors are assumed to be perfectly rigid in their...

Gradient Methods in Optimum Structural Design
The paper presents two new gradient-based methods for the optimum design of skeletal structures. Both methods can accommodate stress, member size, and displacement constraints and can...

Analysis of Lateral Buckling in Plane Frames
A general and systematic method of analyzing the elastic flexural-torsional buckling of rigid-jointed plane frames with I-section members and subjected to in-plane loads is developed....

 

 

 

 

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