Finite element modelling

This paper investigates flexural behavior and analytical approach for predicting the load and deflection at critical performance points of reinforced concrete (RC) beams strengthened with prestressed carbon fiber-reinforced polymer (CFRP) sheets. A finite element model is developed to simulate the interaction between the RC beam and the CFRP sheets, capturing key aspects such as failure modes, ultimate load, and mechanical behavior across the three phases of failure.

7p vibenya 31-12-2024 1 0   Download

This research aims to numerically simulate the performance of the tested PC utility poles using Applied Element Method (AEM) and Finite Element Method (FEM). The simulation results demonstrate that both AEM and FEM effectively reproduce the load-displacement relationship observed in the test. Additionally, this study discusses the material models employed in simulations, considering the limitations inherent in numerical modeling.

6p vibenya 31-12-2024 0 0   Download

Mục tiêu của luận án "Phân tích dao động cầu treo dân sinh và các giải pháp kiềm chế dao động" là nghiên cứu các đặc trưng dao động của cầu treo dây võng dân sinh dựa vào mô hình thực nghiệm và kết quả đo đạc dựa trên phương pháp nhận dạng dao động và phương pháp xử lý mô hình tính toán dao động; đề xuất phương pháp cập nhật mô hình (finite element model updating method) để xác định các tham số bất định của cầu treo dây võng dân sinh với độ chính xác cao;...

73p kimphuong1124 28-08-2023 11 4   Download

Mục tiêu của luận án "Phân tích dao động cầu treo dân sinh và các giải pháp kiềm chế dao động" là nghiên cứu các đặc trưng dao động của cầu treo dây võng dân sinh dựa vào mô hình thực nghiệm và kết quả đo đạc dựa trên phương pháp nhận dạng dao động và phương pháp xử lý mô hình tính toán dao động; đề xuất phương pháp cập nhật mô hình (finite element model updating method) để xác định các tham số bất định của cầu treo dây võng dân sinh với độ chính xác cao.

145p kimphuong1124 28-08-2023 14 7   Download

This thesis deals with the finite element simulation of spot welded joint in crash analysis. Spot welding is a very common joining process in the automotive industry. It is cost effective and it provides a very fast production rate of automotive body components. Despite this advantage, spot welds are very susceptible to various types of loading conditions. Therefore they are prone to failure, if not designed properly, during their service life time. Therefore it is very important to understand the behaviour of spot welds and their failure characteristics.

243p runthenight05 01-03-2023 11 4   Download

This study focuses on experimental testing and subsequent numerical analysis of impacted and pre-loaded composite coupons and bonded composite scarf joints under varying impact conditions. A methodology will be developed for the numerical modelling of preloaded impact tests to enable capture of critical failure modes and ultimate failure. The main aim is to validate a modelling strategy that will provide accurate failure characterisation of the tested joints using numerical analysis.

185p runthenight05 01-03-2023 13 3   Download

This thesis derives closed form equations to describe electromagnetic device characteristics for a toroid, solenoid and a case study induction machine. By considering stored magnetic field energy, this approach allows the relationship between electrical, magnetic and kinetic energy to be quantified and analyzed in ways that allows improved accuracy compared with conventional magnetic circuit modeling methods. This thesis also provides insights into how geometric parameters impact energy transfer and operational characteristics of electromagnetic devices.

112p runthenight04 02-02-2023 10 2   Download

This research investigates integrated drive topologies for Switched Reluctance Motors (SRMs). During the research project, three new power electronic topologies are proposed and simulated via extensive simulations in finite element modelling software (Maxwell) and MATLAB/Simulink.

120p runthenight04 02-02-2023 10 3   Download

Building approximation formulas using equivalentinclusion method to determine the effective values of the conductivity, the elastic modulus of compound-inclusion composite materials and applying numerical methods using finite elements (FE) calculated for some specific material models.

27p capheviahe26 25-01-2021 17 4   Download

A new electromechanical press for fuel pellet manufacturing was built last year in partnership between CEA-Marcoule and ChampalleAlcen. This press was developed to shape pellets in a hot cell via remote handling. It has been qualified to show its robustness and to optimize the compaction cycle, thus obtaining a better sintered pellet profile and limiting damage.

9p christabelhuynh 30-05-2020 14 0   Download

Fabric Formworks which are made using textile sheets such as Polyolefin, Polyesters/Polyethylene Terephthalate, nylon and Polypropylene are being used instead of conventional formworks in the construction industry. This article summarises significant studies and provides an updated review of references on the structural performance of fabric formworks over the last decade.

14p tohitohi 19-05-2020 10 1   Download

Strain-softening material models have conventionally had a pathological mesh sensitivity in finite element simulations and composite materials are indifferent to this problem. Spurious localization is inherent to the structural problem in strain-driven softening.

16p tohitohi 19-05-2020 10 0   Download

Linear matching method (LMM) is one of the effective numerical methods for the limit and shakedown analysis, which computes the converging upper series by solving iteratively linear elastic analysis with Young’s modulus varying in space.

14p tohitohi 19-05-2020 23 1   Download

Simulation and visualization of the mechanical components have become a predominant phase during the design and the production stages. Several means are used to improve the design and to reduce study time.

8p tohitohi 19-05-2020 20 3   Download

This paper presents a numerical investigation on the flexural performance of a novel cementitious reinforced GEM-TECH material using finite element method. A discrete nonlinear FE model using the commercial software ANSYS was employed to model a steel-reinforced GEM-TECH beam.

12p tohitohi 19-05-2020 17 1   Download

In this study, a 3D finite element model of an intact mandible was used for the simulation of the movement of the lower jaw and analysis of the effects of TemporoMandibular Joint (TMJ) prosthesis replacement on the jaw movement. Seven bundles of muscle fibers were inserted in their appropriate positions following anatomical data.

10p tohitohi 19-05-2020 25 1   Download

In this paper, the edgewise and flatwise compressive behaviour of an innovative sandwich panel, mainly developed for quick assembly of post-disaster housing as well as load bearing panels for pre-fabricated modular construction and semi-permanent buildings, is investigated experimentally and by finite element modelling.

14p tohitohi 19-05-2020 5 0   Download

This paper is concerned with the vibration and stability analysis of thick rectangular plates resting on elastic foundation, which is distributed over the particular area of the plate. A two-parameter (Pasternak) model is considered to describe the elastic foundation.

18p tohitohi 19-05-2020 10 1   Download

In this paper nonlinear finite element model of coupled beam containing HPFRCC is analyzed and the influence diagonal reinforcement is investigated on cracking patterns, stress contours and hysteresis diagrams of shear wall.

10p tohitohi 19-05-2020 19 2   Download

An analytical and numerical solution is developed for a transient heat conduction equation in which a plane slab is heated by a bimodal distribution beam over the upper surface. In laser heat treatment of steel few methods are used to produce a wider and nearly uniform average irradiance profile.

8p tohitohi 19-05-2020 17 1   Download