TL;DR: The authors aim to devise a simple and efficient implementation of phase-field model for the modelling of quasi-static and dynamic fracture in the general purpose commercial software developer, COMSOL Multiphysics.

TL;DR: Based on the Building Information Modeling/Model (BIM) technology, a set of solutions including the automatic establishment of the logic chain for MEP systems, an equipment grouping and labeling scheme and an algorithm to transform BIM information to GIS map model are proposed to digitalize and integrate the MEP-related information into the as-built model.

TL;DR: A model-free fractional-order sliding mode control (MFFOSMC) based on extended state observer (ESO) which is combined an ultra-local model with sliding mode and ESO for quarter car active suspension systems is presented.

TL;DR: Results indicate that the optimized 3D material microstructures with expected effective properties are featured with smooth structural boundaries and clear interfaces.

TL;DR: A bionic design method was used to reduce subsoiler energy consumption and soil disturbance in Northeast China and showed that bionic subsoilers with a shank and BTP in the horizontal direction of motion (S-T-H) and tines with the BTP parallel to the centerline (T-T) had lower draft requirements and energy consumption than the other designs.

TL;DR: High precision, fast convergence and good robustness against lumped uncertainties are ensured thanks to the newly proposed FONTSM manifold and adopted fast-TSM-type reaching law.

TL;DR: The proposed approach yields more stable and accurate results than those generated using other existing approaches, and the C0–type higher-order shear deformation theory (C0–HSDT), in which two additional variables are included in the displacement field, significantly improves the accuracy of numerical results.

TL;DR: A simplified approach to predict VIV fatigue damage of top tensioned riser (TTR) using artificial neural network (ANN) showed the final ANN model predict fatigue damage well with shorter time compared to conventional semi-empirical method.

TL;DR: The Jaya algorithm is adopted to solve the optimization problem for determining the actual damage sites and extents and the damage identification problem is formulated as an optimization problem where the damage extent of elements and the modal flexibility change are taken as the continuous design variables and the objective function, respectively.

TL;DR: A finite volume method based CFD analysis of the mixing of Newtonian and non-Newtonian flows in anaerobic digesters is conducted and the theoretical findings are adopted for the operation of a real-life anaerobia digester.

TL;DR: The recently developed hybrid numerical method based on isogeometric analysis (IGA) and boundary element method (BEM), named as IGABEM, is further extended to study steady heat transfer problems in two dimensions (2D) and its performance and accuracy are verified through numerical test cases.

TL;DR: The proposed multiscale phase field method (MsPFM) is used to simulate crack propagation in composites and the interaction of a pre-existing crack with weak or strong interfaces in terms of crack arrest, crack deflection, crack coalescence, and multiple cracks initiation in Composites.

TL;DR: A novel time delay control scheme with adaptive fractional-order nonsingular terminal sliding mode (AFONTSM) is presented and studied and can effectively obtain a fascinating model-free feature just using the time-delayed information of the closed-loop control system.

TL;DR: A robust method for sizing reliability-based design optimization (RBDO) of truss structures is developed by integrating nonlinear inelastic analysis, a structural reliability analysis method, and a proposed optimization method based on differential evolution (DE) algorithm.

TL;DR: An innovative algorithm combining multi-criterion decision-making (DM) and Particle Swarm Optimization (PSO) is presented, which is called DMPSO, for accelerating convergence toward optimum solution in 3D reinforced concrete (RC) frames.

TL;DR: The features of welding deformation in an asymmetrical curved stiffened panel were numerically investigated by mean of the new computational approach and the geometrical nonlinearity was included in the developed computational approach.

TL;DR: The compromise programming approach (CAP) coupled with the mean frequency method (MFM) is introduced to handle the multi-objective optimization involving stiffness and natural frequency criteria for multiple load cases and it is demonstrated that the proposed approach is suitable for theMulti- objective and multi-material topology optimization (MMTO) of TWB indoor panel.

TL;DR: The noise attenuation capacity of a HR defined as the integral of transmission loss in the frequency domain is derived and shows that it is only determined by the geometries of the neck and the cross-sectional area of the duct.

TL;DR: The parallel EVPFFT code developed in this work can run massive voxel-based microstructural RVEs taking the advantages of thousands of logical cores provided by more advanced clusters and results achieved on a distributed memory Cray supercomputer show promising strong and weak scalability and in some cases even super scalability.

TL;DR: The results suggest that the data mining based approach can be used to design a complicated structure with multiple parameters effectively and efficiently to simplify and speed up the design process without significant influence on the accuracy.

TL;DR: Bezier extraction based extended isogeometric analysis (XIGA) has been performed for three-dimensional crack simulations in linear elastic materials and the results are compared with XFEM and analytical solutions.

TL;DR: A novel method for constructing local controlled generalized developable H-Bezier surfaces with shape parameters is proposed, which can greatly improve problem-solving abilities in engineering appearance design by adjusting the position and shape of developable surfaces.

TL;DR: This work presents a new design methodology for modelling the blades of propellers using B-spline surfaces that stresses the fitting of the blade's leading edge which has great effect on the propeller behaviour and geometrically has a small curvature radius in comparison with the rest of the blades.

TL;DR: A holistic approach based on knowledge processing (ontology) is presented to facilitate a smarter decision-making process for early design stage by informing designers of the environmental impact and cost along with safety considerations to enable the structural engineer to come up with much more comprehensive decisions.

TL;DR: The robust GP model developed will be useful to determine optimum input values for designing safe bearing foundation soils which are reinforced with PP fibers and it was found that the moisture content in the soil has the highest influence on the strength factor that accounts for the change in strength.

TL;DR: A simplification approach of CAD models to make the generation of assembly plan easy is proposed, which begins by the elimination of connection elements to obtain a simplified assembly sequence.

TL;DR: A multi-objective particle swarm optimization algorithm based on adaptive decomposition (MOPSO/AD) is proposed, which enables the optimized E-HHPS system has good handling stability and low steering energy consumption.

TL;DR: A numerical code is presented that weakly couples hydrogen diffusion with stress–strain analysis and the formulation of cohesive elements is implemented considering a mechanism of local decohesion with an extensive use of Abaqus user subroutines.

TL;DR: In a practical sense, the developed model has the ability to accurately achieve the desired surface with the able to adjust the SP parameters efficiently and is more reliable than theoretical calculations.