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The proposed formulation is demonstrated with reference to the inelastic response analysis of a frame structure driven by a single component of earthquake load.
Then, the results obtained are used to propose a systematic and rational method to evaluate the appropriate "equivalent initial imperfections" that need to be incorporated in the second-order global elastic analysis of a frame or isolated compressed member.
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A complete family of seismic analysis and design tools for a structural component or system would include micro-models suitable for finite element analysis of individual components, macro-models suitable for analysis of a framing system, and simplified models suitable for preliminary analysis and design upon which macro-models can later be based.
The linear prediction analysis problem of a frame of length N can be written in the general matrix form as the l p -norm minimization of the residual vector r: a ̂ = argmin a ∥ r ∥ p p, r = x - Xa (2).
Since the concrete shear walls were located in one direction and actuators will be placed in the same direction as the concrete shear walls as in Fig. 4, the simplified planar formulas in "Analysis of a planar frame in the presence of shear walls" could be used for modelling the interaction of frame and shear walls in the modelled three-dimensional structures.
Thus in vibration analysis of a plane frame, the out-of-plane vibration should be of primary concern in practice.
The present study consists of modeling and analysis of a RC frame (Fig. 4) subjected to earthquake loading using OpenSees.
This study investigates that behaviour by modal analysis of a portal frame and a cantilever beam constructed from timber with steel dowel connections.
The influence of the warping effect especially in members of open form cross section is analyzed through examples demonstrating the importance of the inclusion of the warping degrees of freedom in the dynamic analysis of a space frame.
Table 4 shows the disparity between the fundamental period of vibration from the empirical period-height equation from different codes and the period of vibration from the eigenvalue or Rayleigh analysis of a bare frame model.
Table 4 shows the disparity between the fundamental period of vibration from empirical period–height equation from different codes and the period of vibration from eigenvalue or Rayleigh analysis of a bare frame model.
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