ALOF的技术优势

ALOF: Advanced Crack Analysis and Failure Platform  Superior Technical Characteristics

Integrating expertise from major research institutions including the University of Iowa, University of Glasgow, and the National University of Singapore, ALOF (Analysis Laboratory of Failure) is a meticulously designed software package dedicated to enhancing the precision and efficiency of failure and crack evaluation in products containing defects. This software, thus far, showcases unparalleled achievement in computing accuracy, validated by extensive empirical data and scholarly publications.

Key Functionalities and Features:

Innovators in the field, the ALOF software team has equipped the platform with two powerful features aimed at simplifying the evaluation of cracked or damaged materials:

1. Simplified Simulations of Failure Processes: ALOF enables seamless simulation of the structural failure process in materials featuring cracks or defects, with the ability to assess the safety of cracks and the reliability of the system. This notable advantage implies that users can construct ComputerAided Engineering (CAE) models without presupposing the shape of the cracks, thereby requiring no baseline manual intervention for their propagation during simulations. Moreover, the software ensures efficient mesh refinement around the crack, thereby enhancing the precision of the analysis.

2. UserFriendly Interface and Comprehensive Analysis: The software's simplistic yet sophisticated user interface allows for the erection of CAE grid models and the input of material properties and loads via user interaction. Furthermore, ALOF can automatically generate the digestion and encapsulation of analysis outcomes into explained reports, thus significantly accelerating the workflow for endusers.




The robust backbone behind ALOF's capabilities is the advanced mesh refinement model featuring:

Extended Finite Element Method (XFEM): This groundbreaking technique, with its roots planted deeply within the realm of scientific breakthroughs initiated by Prof. Ted Belytschko at the Northwestern University in 1994, empowers ALOF to depict the interplay during crack growth without the need to predetermine the geometry of the CAE model. XFEM models the cracks separately, simplifying the creation process of the CAE model and allowing them to expand without the intervention of the analyst.

Virtually Assumed Node Method (VAM): Developed by the ALOF's engineering team, VAM provides a unique approach for hexahedral meshing, prevalent in both 2D and 3D models, thus expanding the potential application of polygonal FEA. This feature encompasses the automatic layering of mesh refinement near the crack, a capability currently unparalleled among contemporary software systems.

ALOF in Action

As evidenced by the series of graphical simulations listed herein, the ALOF software demonstrates its versatility through its comprehensive computational analyses across a spectrum of scenarios:

Construction of MillionUnit Mesh Models: Ensuring the precision of complex simulations, the software handles data of expansive magnitude with gusto.

Modeling of Cracks and Loads: Facilitating the incorporation of paired corner cracks, Brazilian discs, and mixedtype ruptures into a computational model, adding depth to the simulations.

Focused Mesh Refinement: Executing efficient refinement in the vicinity of the crack, highlighting the software's capability in managing intricate geometries.

Animation of Crack Propagation: Animating the crack propagation without the necessity for human intervention, promoting an interactive and immersive analysis experience.

Crack Analysis: Providing detailed simulations for discerning 2D and 3D cracks, from composite structures to advanced modules of pressure containers, showcasing ALOF's adaptability across complex applications.

By capitalizing on its advanced technologies like the XFEM and VAM, the ALOF software propels the realm of failure analysis, rendering highly precise simulations for materials containing defects. This achievement solidifies its position as an indispensable tool for enhancing product safety and reliability across industries, setting new standards for failure analysis software development.