How can the dynamic analysis of rectangular plates be improved by using reinforced natural supports?
Best insight from top research papers
The dynamic analysis of rectangular plates can be improved by using reinforced natural supports. The addition of point masses to simply supported plates can modify their dynamic characteristics, especially in the non-linear regime . The non-linear formulation, involving a fourth order tensor, allows for a better understanding of the plate's free vibration and the quantitative evaluation of the added mass effect . Additionally, the use of functionally graded carbon nanotube-reinforced composite plates can enhance their vibrational behavior. The targeted distribution of carbon nanotubes in these plates affects their natural frequency responses and mode shapes . Furthermore, the use of local elastic supports in functionally graded rectangular plates can be studied using the differential quadrature element method. This method allows for the discretization of the governing equations and the calculation of natural frequencies, providing high accuracy and eligibility .
Answers from top 5 papers
More filters
| Papers (5) | Insight |
|---|---|
| The dynamic analysis of rectangular plates can be improved by using reinforced natural supports, which enhance the vibration and sound transformation ability of the plate. | |
5 Citations | The dynamic analysis of rectangular plates can be improved by using reinforced natural supports through the application of the first-order shear deformation theory and differential quadrature element method. |
01 Jul 2021 2 Citations | The paper does not mention anything about using reinforced natural supports for improving the dynamic analysis of rectangular plates. |
01 Mar 2021 | The dynamic analysis of rectangular plates can be improved by using carbon nanotube-reinforced composite plates with targeted distributions of nanotubes. |
| The paper does not mention anything about using reinforced natural supports for improving the dynamic analysis of rectangular plates. |
Related Questions
What is important soil parameter in dynamic analysis?4 answersThe important soil parameter in dynamic analysis is the shear wave velocity, shear modulus, and damping ratio. These parameters play a significant role in determining the stiffness of the soil against dynamic loadings. The shear wave velocity and shear modulus are influenced by various factors such as degree of consolidation, effective confining pressures, density, cohesion, and plasticity of the clay soil. Extracting in-situ soil dynamic parameters, including shear wave velocity, shear modulus degradation curve, and damping ratio, from seismic data can be used to simulate the propagation of seismic waves and predict nonlinear ground response. Dynamic soil properties curves, consisting of modulus reduction and damping ratio curves, are important input parameters for ground response analysis. The dynamic shear modulus and damping ratio are essential for evaluating seismic safety and analyzing soil layer seismic response. Overall, these dynamic soil parameters are crucial for understanding and predicting the behavior of soil under dynamic loadings.
What are the factors that affect the natural frequency of a cantilever beam?5 answersThe natural frequency of a cantilever beam is influenced by several factors. One important factor is the presence of cracks in the beam, which can affect the transverse and longitudinal natural frequencies. Another factor is the method used to measure the natural frequency. Video analysis techniques, such as frame sequence analysis, can accurately extract displacement data and predict the first natural frequency of the beam. The shape of the cross section of the cantilever beam also plays a role in maximizing the natural frequency. Reshaping the lengthening joint and finding the best shape can help achieve higher natural frequencies. Additionally, the orientation angle of the beam and the direction of the gravity load can affect the natural frequency. The closer the beam is to the inverted position, the smaller the natural frequency.
How can the natural frequency of a composite plate be estimated?4 answersThe natural frequency of a composite plate can be estimated using various methods. One approach is to use the higher-order shear deformation theory to derive the fundamental relations of natural frequency analysis. Another method is to develop a prediction model using Artificial Neural Networks (ANN) based on finite element simulations. Machine learning techniques, such as neural networks, can also be used to develop predictive models based on numerical analysis of free vibration. Experimental verification can be performed to validate computational evaluations, taking into account factors such as manufacturing processes and environmental aspects. Additionally, convolutional neural networks (CNN) can be applied to predict the natural frequency of composite plates by considering the geometry and using refined theories that account for shear deformations. These methods provide valuable insights into estimating the natural frequency of composite plates.
Why is relevant to study stiffened plates?3 answersStudying stiffened plates is relevant for several reasons. Firstly, the addition of stiffeners to plates can significantly increase their strength. This is important in various engineering applications where higher strength is required. Secondly, understanding the behavior of stiffened plates under different loading conditions is crucial for assessing their ultimate strength. This knowledge can help in designing and optimizing structures to ensure their safety and reliability. Additionally, studying the dynamic characteristics of stiffened plates is essential for examining vibration and noise in structures such as steel box girders. This information can be used to reduce responses due to vibrations and noise, leading to improved performance and comfort. Finally, investigating the forced vibration analysis of stiffened plates can provide insights into their behavior and help in optimizing their design.
What are the methods in nonlinear analysis of reinforced concrete slabs?5 answersNonlinear analysis methods for reinforced concrete slabs include finite element simulations using commercial software such as SAP2000. These simulations use the multi-layer method and consider various parameters such as span, support conditions, and geometry. The accuracy of the finite element model can be validated by comparing the results with linear analysis and simplified methods described in codes such as Eurocode 2 (EC2). The nonlinear analysis provides lower values for displacement and allows for greater economy in the design of structural elements. Additionally, the nonlinear analysis can predict the dynamic stiffness and fatigue performance of RC slabs under high-cyclic fatigue loadings. A new model has been recommended for predicting the residual strength of concrete in these analyses. The dynamic stiffness model has been shown to accurately predict the stiffness of fatigued and damaged RC slabs.
How can the finite element method be used to model the nonlinear behavior of reinforced concrete slabs?5 answersThe finite element method can be used to model the nonlinear behavior of reinforced concrete slabs by employing various numerical models and software. One approach is to use the Coupled Damage-Plasticity Microplane (CDPM) model equipped with ANSYS software, which can represent the non-linear behavior of concrete material. Another approach is to use the Concrete Damage Plasticity (CDP) model available in ABAQUS, which includes considerations for nonlinear material constitutive behavior, damage, plasticity, and concrete-reinforcement interactions. These models can be used to establish three-dimensional finite element models of concrete slabs and simulate their non-linear behavior under different loading conditions. The parameters of these models can be identified and calibrated based on extensive literature surveys and experimental results. The results obtained from these finite element analyses can be used to validate experimental results, perform parametric studies, and propose improvements in design formulas for concrete slabs.