Defining Simulation Intent

Nolan, Declan; Tierney, Christopher M.; Armstrong, Cecil; Robinson, Trevor

doi:10.1016/j.cad.2014.08.030

Cited by 34 publications

(35 citation statements)

References 29 publications

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“…Adjacency information is important for building simulation models since "… most boundary conditions and loads tend to be applied to these interface regions." (Nolan, Tierney, Armstrong, & Robinson, 2015). The results of these simulations can then be used to enforce rules for depositing material (e.g.…”

Section: Experimental Investigationmentioning

confidence: 99%

Enhancing parametric design through non-manifold topology

et al. 2017

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This paper aims to build a theoretical foundation for parametric design thinking by exploring its cognitive roots, unfolding its basic tenets, expanding its definition through new conceptsParametric design is both misunderstood and over-used. Many who hear or read the term associate it with complex and curved works of architecture. Others may even associate it with a style of architecture or work produced by an architectural office. While many have used the concepts of parametric design thinking to create a certain style of architecture, from a research point of view, parametric design thinking is separate from the outcome that we are witnessing in built works. One can build simple and subtle geometries that have complex parametric relationships among their parts or indeed build very complex solutions based on very simple parametric relationships. Furthermore, one can build works that appear to use parametric design methods, but do not. Given this state of confusion, the larger aim of this

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Section: Experimental Investigationmentioning

confidence: 99%

Enhancing parametric design through non-manifold topology

et al. 2017

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“…These decisions are recorded as attributes of the decomposed design space [11]. These decisions can include, but are not limited to, the physics to be solved, the required accuracy, mesh type and dimensionality, mesh mating conditions and boundary condition application.…”

Section: Defining Simulation Intent Involves Capturing High Level Modmentioning

confidence: 99%

“…These decisions can include, but are not limited to, the physics to be solved, the required accuracy, mesh type and dimensionality, mesh mating conditions and boundary condition application. The aim is to specify 'Simulation Intent' [11] in a manner that is independent of the underlying geometry. This enables many low-level decisions and operations to be automated and manual rework to be avoided.…”

Section: Defining Simulation Intent Involves Capturing High Level Modmentioning

confidence: 99%

See 1 more Smart Citation

Interface Management for Automating Finite Element Analysis Workflows

Tierney¹,

Nolan²,

Robinson³

et al. 2016

Computer-Aided Design and Applications

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“…Other notable advantages include the ease of reversing virtual topology operations in comparison to geometry-based operations and the analyst-friendly nature of virtual topology toolsets. Virtual topology is one of the underlying technologies used when defining Simulation Intent [3]. Defining Simulation Intent involves capturing high level modelling and idealization decisions in order to create an efficient and fitfor-purpose analysis.…”

Section: Introductionmentioning

confidence: 99%

Using virtual topology operations to generate analysis topology

Tierney

Sun

Robinson

et al. 2017

Computer-Aided Design

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Virtual topology operations have been utilized to generate an analysis topology definition suitable for downstream mesh generation. Detailed descriptions are provided for virtual topology merge and split operations for all topological entities. Current virtual topology technology is extended to allow the virtual partitioning of volume cells and the topological queries required to carry out each operation are provided. Virtual representations are robustly linked to the underlying geometric definition through an analysis topology. The analysis topology and all associated virtual and topological dependencies are automatically updated after each virtual operation, providing the link to the underlying CAD geometry. Therefore, a valid description of the analysis topology, including relative orientations, is maintained. This enables downstream operations, such as the merging or partitioning of virtual entities, and interrogations, such as determining if a specific meshing strategy can be applied to the virtual volume cells, to be performed on the analysis topology description. As the virtual representation is a non-manifold description of the sub-divided domain the interfaces between cells are recorded automatically. This enables the advantages of non-manifold modelling to be exploited within the manifold modelling environment of a major commercial CAD system, without any adaptation of the underlying CAD model. A hierarchical virtual structure is maintained where virtual entities are merged or partitioned. This has a major benefit over existing solutions as the virtual dependencies are stored in an open and accessible manner, providing the analyst with the freedom to create, modify and edit the analysis topology in any preferred sequence, whilst the original CAD geometry is not disturbed. Robust definitions of the topological and virtual dependencies enable the same virtual topology definitions to be accessed, interrogated and manipulated within multiple different CAD packages and linked to the underlying geometry.

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Defining Simulation Intent

Cited by 34 publications

References 29 publications

Enhancing parametric design through non-manifold topology

Enhancing parametric design through non-manifold topology

Interface Management for Automating Finite Element Analysis Workflows

Using virtual topology operations to generate analysis topology

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