Praveen S. Vulimiri
Current Organizations / Institutes
The organizations/institutes from the scholar's latest article
Research Subjects
Praveen S. Vulimiri has a total of 8 co-authors. Here are the top co-authors by number of shared publications:
- Albert C. To
University of Pittsburgh
2 shared publications Albert C. To
1 shared publication- Florian Dugast
Department of Mechanical Engineering & Materials Science, University of Pittsburgh, Pittsburgh, PA 15260, USA
1 shared publication Florian X. Dugast
1 shared publicationHao Deng
1 shared publication- Hao Deng
Department of Mechanical Engineering and Materials Science University of Pittsburgh Pittsburgh Pennsylvania
1 shared publication
Latest Publications
- Open Access
- 13 December 2024
- Published by Elsevier in Additive Manufacturing
- Vol. 97
A mean–variance estimation bidirectional convolutional long short-term memory surrogate model predicting residual stress and model error for laser powder bed fusion
- 13 December 2024
- Published by Elsevier in Additive Manufacturing
- Vol. 97
Open AccessA mean–variance estimation bidirectional convolutional long short-term memory surrogate model predicting residual stress and model error for laser powder bed fusion
- Open Access
Integrating Geometric Data into Topology Optimization via Neural Style Transfer
This research proposes a novel topology optimization method using neural style transfer to simultaneously optimize both structural performance for a given loading condition and geometric similarity for a reference design. For the neural style transfer, the convolutional layers of a pre-trained neural network extract and quantify characteristic features from the reference and input designs for optimization. The optimization analysis is evaluated as a single weighted objective function with the ability for the user to control the influence of the neural style transfer with the structural performance. As seen in architecture and consumer-facing products, the visual appeal of a design contributes to its overall value along with mechanical performance metrics. Using this method, a designer allows the tool to find the ideal compromise of these metrics. Three case studies are included to demonstrate the capabilities of this method with various loading conditions and reference designs. The structural performances of the novel designs are within 10% of the baseline without geometric reference, and the designs incorporate features in the given reference such as member size or meshed features. The performance of the proposed optimizer is compared against other optimizers without the geometric similarity constraint.
Open AccessIntegrating Geometric Data into Topology Optimization via Neural Style Transfer
This research proposes a novel topology optimization method using neural style transfer to simultaneously optimize both structural performance for a given loading condition and geometric similarity for a reference design. For the neural style transfer, the convolutional layers of a pre-trained neural network extract and quantify characteristic features from the reference and input designs for optimization. The optimization analysis is evaluated as a single weighted objective function with the ability for the user to control the influence of the neural style transfer with the structural performance. As seen in architecture and consumer-facing products, the visual appeal of a design contributes to its overall value along with mechanical performance metrics. Using this method, a designer allows the tool to find the ideal compromise of these metrics. Three case studies are included to demonstrate the capabilities of this method with various loading conditions and reference designs. The structural performances of the novel designs are within 10% of the baseline without geometric reference, and the designs incorporate features in the given reference such as member size or meshed features. The performance of the proposed optimizer is compared against other optimizers without the geometric similarity constraint.