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Orozco, Luis

Luis Orozco

AIA, M.Arch., B.Sc.Arch.

Research Associate
Institut für Computerbasiertes Entwerfen und Baufertigung
2019 - 2023

Contact

+49 711 685 81923
Email
Website

Keplerstraße 11
70174 Stuttgart
Deutschland

Publications

Publications:

2024
1. Chai, H., Orozco, L., Kannenberg, F., Siriwardena, L., Schwinn, T., Liu, H., Menges, A., & Yuan, P. F. (2024). Agent-Based Principal Strips Modeling for Freeform Surfaces in Architecture. Nexus Network Journal, 26(2), Article 2. https://doi.org/10.1007/s00004-024-00765-0
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  @article{Chai2024, abstract = {The principal curvature (PC) of a freeform surface, as an important indicator of its fundamental features, is frequently used to guide their rationalization in the field of architectural geometry. The division of a surface using its PC lines into principal strips (PSs) is an innovative way to break down a freeform surface for construction. However, the application of PC networks in architectural design is hindered by the difficulty to generate them and flexibly control their density. This paper introduces a method for PS-based reconstruction of freeform surfaces with different umbilical conditions in the early stages of design. An agent-based modeling approach is developed to find the umbilics and increase the degree of control over the spacing of PC lines. This research can effectively expand the application range of PS-based surface reconstruction methods for freeform architectures.}, author = {Chai, Hua and Orozco, Luis and Kannenberg, Fabian and Siriwardena, Lasath and Schwinn, Tobias and Liu, Hanning and Menges, Achim and Yuan, Philip F.}, doi = {10.1007/s00004-024-00765-0}, issn = {1522-4600}, journal = {Nexus Network Journal}, number = 2, pages = {369--396}, refid = {Chai2024}, title = {Agent-Based Principal Strips Modeling for Freeform Surfaces in Architecture}, url = {https://doi.org/10.1007/s00004-024-00765-0}, volume = 26, year = 2024 }
2023
1. Krtschil, A., Orozco, L., Wagner, H. J., Menges, A., & Knippers, J. (2023). Structural Performance and Nesting Efficiency of segmented, point-supported, slabs for co-designed timber architecture. Structures, 57, 105260. https://doi.org/10.1016/j.istruc.2023.105260
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  @article{Krtschil_2023, author = {Krtschil, Anna and Orozco, Luis and Wagner, Hans Jakob and Menges, Achim and Knippers, Jan}, doi = {10.1016/j.istruc.2023.105260}, journal = {Structures}, month = {11}, pages = 105260, publisher = {Elsevier {BV}}, title = {Structural Performance and Nesting Efficiency of segmented, point-supported, slabs for co-designed timber architecture}, url = {https://doi.org/10.1016%2Fj.istruc.2023.105260}, volume = 57, year = 2023 }
2. Udaykumar, K., Orozco, L., Krtschil, A., Menges, A., & Knippers, J. (2023). Interactive Gradient-Based Optimization Method for Column-slab Structures. In Y. M. Xie, J. Burry, T. U. Lee, & J. Ma (Eds.), Integration of Design and Fabrication (pp. 1574--1584). International Association for Shell and Spatial Structures (IASS).
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  @incollection{Udaykumar.2023, address = {Melbourne, Australia}, author = {Udaykumar, Keerthana and Orozco, Luis and Krtschil, Anna and Menges, Achim and Knippers, Jan}, booktitle = {Integration of Design and Fabrication}, editor = {Xie, Yi Min and Burry, Jane and Lee, Ting Uei and Ma, Jiaming}, pages = {1574--1584}, publisher = {{International Association for Shell and Spatial Structures (IASS)}}, title = {Interactive Gradient-Based Optimization Method for Column-slab Structures}, year = 2023 }
3. Sahin, E. S., Locatelli, D., Orozco, L., Krtschil, A., Wagner, H. J., Menges, A., & Knippers, J. (2023). Feedback-Based Design Method for Spatially-Informed and Structurally-Performative Column Placement in Multi-Story Construction. In P. Yuan & N. Leach (Eds.), Phygital Intelligence.
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  @inproceedings{Sahin.2023, address = {Shanghai, China}, author = {Sahin, Ekin Sila and Locatelli, Daniel and Orozco, Luis and Krtschil, Anna and Wagner, Hans Jakob and Menges, Achim and Knippers, Jan}, booktitle = {Phygital Intelligence}, editor = {Yuan, Philip and Leach, Neil}, title = {Feedback-Based Design Method for Spatially-Informed and Structurally-Performative Column Placement in Multi-Story Construction}, year = 2023 }
4. Orozco, L., Svatoš-Ražnjević, H., Wagner, H. J., Abdelaal, M., Amtsberg, F., Weiskopf, D., & Menges, A. (2023). Advanced Timber Construction Industry: A Quantitative Review of 646 Global Design and Construction Stakeholders. Buildings, 13(9), Article 9. https://doi.org/10.3390/buildings13092287
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  @article{buildings13092287, abstract = {There has been a multi-storey timber construction boom since the start of the millennium. While there is now a body of research on trends, benefits, and disadvantages of timber construction, there is not yet literature on the wider market or the impact of stakeholders on it. This research investigates the (i) architects, (ii) engineers, and (iii) manufacturers involved in the realization of 300 contemporary multi-storey timber buildings from an existing survey. The analysis is based on data sourced from stakeholder websites and the building survey. It evaluates the perceived level of timber expertise of stakeholders based on service categorization and stakeholder type and relates them to the buildings they worked on. The research uses quantitative methods to answer qualitative questions on the connection between architectural variety in timber construction and the stakeholders involved. Interconnectivity between stakeholders and projects is visualized in an interactive network graph. The study shows a segmented mass timber market with relatively few impactful design and construction stakeholders, mostly located in central and northern Europe. It also identifies fabricators as the largest group of innovators advancing the industry and enabling the construction of more complex projects. It reveals the importance of collaboration and knowledge sharing for the industry’s growth.}, article-number = {2287}, author = {Orozco, Luis and Svatoš-Ražnjević, Hana and Wagner, Hans Jakob and Abdelaal, Moataz and Amtsberg, Felix and Weiskopf, Daniel and Menges, Achim}, doi = {10.3390/buildings13092287}, issn = {2075-5309}, journal = {Buildings}, number = 9, title = {Advanced Timber Construction Industry: A Quantitative Review of 646 Global Design and Construction Stakeholders}, url = {https://www.mdpi.com/2075-5309/13/9/2287}, volume = 13, year = 2023 }
5. Orozco, L., Wagner, H. J., Krtschil, A., Knippers, J., & Menges, A. (2023). Computational Segmentation of Timber Slabs with Free Column Placement. Computer-Aided Design, 103650. https://doi.org/10.1016/j.cad.2023.103650
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  @article{Orozco_2023, author = {Orozco, Luis and Wagner, Hans Jakob and Krtschil, Anna and Knippers, Jan and Menges, Achim}, doi = {10.1016/j.cad.2023.103650}, issn = {0010-4485}, journal = {Computer-Aided Design}, month = {11}, pages = 103650, publisher = {Elsevier BV}, title = {Computational Segmentation of Timber Slabs with Free Column Placement}, url = {http://dx.doi.org/10.1016/j.cad.2023.103650}, year = 2023 }
6. Orozco, L., Krtschil, A., Wagner, H. J., Knippers, J., & Menges, A. (2023). Floor Plate Segmentation Data. https://doi.org/10.18419/darus-3539
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  @misc{orozco2023floor, abstract = {This repository contains the geometric results of six developed computational floor plate segmentation methods as applied to sixteen example floor plans. It includes the floor plate boundaries, column locations, and plate edges for each resulting segmentation, as well as the geometry results of their respective nesting studies. This data set offers geometric information from which quantitative values can be extracted for the comparison of these segmentation methods. This repository also contains the input files for the structural simulation in Sofistik 2020 of six developed segmentation methods applied to 16 Case Studies. }, affiliation = {Orozco, Luis/Universität Stuttgart, Krtschil, Anna/Universität Stuttgart, Wagner, Hans Jakob/Universität Stuttgart, Knippers, Jan/Universität Stuttgart, Menges, Achim/Universität Stuttgart}, author = {Orozco, Luis and Krtschil, Anna and Wagner, Hans Jakob and Knippers, Jan and Menges, Achim}, doi = {10.18419/darus-3539}, howpublished = {Dataset}, note = {Related to: Orozco, L., Wagner, H. J., Krtschil, A., Knippers, J., & Menges, A. (2023). Computational segmentation methods for the material efficient Co-Design of point-supported, grid-independent floor slabs in timber architecture. CAD Journal(x), Submitted for Pre-Print}, orcid-numbers = {Orozco, Luis/0000-0003-0665-8527, Krtschil, Anna/0000-0002-1407-5420, Wagner, Hans Jakob/0000-0001-8600-8481, Knippers, Jan/0000-0002-6683-8004, Menges, Achim/0000-0001-9055-4039}, title = {Floor Plate Segmentation Data}, year = 2023 }
7. Orozco, L., Krtschil, A., Wagner, H. J., Bechert, S., Amtsberg, F., Knippers, J., & Menges, A. (2023). Co-Design Methods for Non-Standard Multi-Storey Timber Buildings. Sustainability, 15(23), Article 23. https://doi.org/10.3390/su152316178
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  @article{su152316178, abstract = {To meet climate change goals and respond to increased global urbanisation, the building industry needs to improve both its building technology and its design methods. Constrained urban environments and building stock extensions are challenges for standard timber construction. Co-design promises to better integrate disciplines and processes, promising smaller feedback loops for design iteration and building verification. This article describes the integrated design, fabrication, and construction processes of a timber building prototype as a case study for the application of co-design methods. Emphasis is placed on the development of design and engineering methods, fabrication and construction processes, and materials and building systems. The development of the building prototype builds on previous research in robotic fabrication (including prefabrication, task distribution, and augmented reality integration), agent-based modelling (ABM) for the design and optimisation of structural components, and the systematisation of timber buildings and their components. The results presented in this article include a functional example of co-design from which best practises may be extrapolated as part of an inductive approach to design research. The prototype, with its co-designed process and resultant flat ceilings, integrated services, wide spans, and design adaptability for irregular column locations, has the potential to expand the design potential of multi-storey timber buildings.}, article-number = {16178}, author = {Orozco, Luis and Krtschil, Anna and Wagner, Hans Jakob and Bechert, Simon and Amtsberg, Felix and Knippers, Jan and Menges, Achim}, doi = {10.3390/su152316178}, issn = {2071-1050}, journal = {Sustainability}, number = 23, title = {Co-Design Methods for Non-Standard Multi-Storey Timber Buildings}, url = {https://www.mdpi.com/2071-1050/15/23/16178}, volume = 15, year = 2023 }
8. Svatoš-Ražnjević, H., Krtschil, A., Orozco, L., Neubauer, G., Knippers, J., & Menges, A. (2023). Towards Design Flexibility and Freedom In Multi-Storey Timber Construction: Architectural Applications of a Novel, Adaptive Hollow Slab Building System. In K. A. Malo, A. Q. Nyrud, & K. Nore (Eds.), World Conference on Timber Engineering (WCTE 2023) (pp. 3905--3916). World Conference on Timber Engineering (WCTE 2023). https://doi.org/10.52202/069179-0508
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  @inproceedings{SvatosRaznjevic.2023, address = {As, Norway}, author = {Svatoš-Ražnjević, Hana and Krtschil, Anna and Orozco, Luis and Neubauer, Gregor and Knippers, Jan and Menges, Achim}, booktitle = {World Conference on Timber Engineering (WCTE 2023)}, doi = {10.52202/069179-0508}, editor = {Malo, Kjell Arne and Nyrud, Anders Q. and Nore, Kristine}, isbn = {978-1-7138-7329-7}, pages = {3905--3916}, publisher = {{World Conference on Timber Engineering (WCTE 2023)}}, title = {Towards Design Flexibility and Freedom In Multi-Storey Timber Construction: Architectural Applications of a Novel, Adaptive Hollow Slab Building System}, year = 2023 }
2022
1. Orozco, L., Krtschil, A., Skoury, L., Knippers, J., & Menges, A. (2022). Arrangement of reinforcement in variable density timber slab systems for multi-story construction. International Journal of Architectural Computing, 20(4), Article 4. https://doi.org/10.1177/14780771221135003
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  @article{Orozco_2022, author = {Orozco, Luis and Krtschil, Anna and Skoury, Lior and Knippers, Jan and Menges, Achim}, doi = {10.1177/14780771221135003}, journal = {International Journal of Architectural Computing}, month = {10}, number = 4, pages = {707--727}, publisher = {{SAGE} Publications}, title = {Arrangement of reinforcement in variable density timber slab systems for multi-story construction}, url = {https://doi.org/10.1177%2F14780771221135003}, volume = 20, year = 2022 }
2. Svatoš-Ražnjević, H., Orozco, L., & Menges, A. (2022). Advanced Timber Construction Industry: A Review of 350 Multi-Storey Timber Projects from 2000–2021. Buildings, 12(4), Article 4. https://doi.org/10.3390/buildings12040404
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  @article{buildings12040404, abstract = {Throughout the last two decades the timber building sector has experienced a steady growth in multi-storey construction. Although there has been a growing number of research focused on trends, benefits, and disadvantages in timber construction from various technical perspectives, so far there is no extensive literature on the trajectory of emerging architectural typologies. This paper presents an examination of architectural variety and spatial possibilities in current serial and modular multi-storey timber construction. It aims to draw a parallel between architectural characteristics and their relation to structural systems in timber. The research draws from a collection of 350 contemporary multi-storey timber building projects between 2000 and 2021. It consists of 300 built projects, 12 projects currently in construction, and 38 design proposals. The survey consists of quantitative and qualitative project data, as well as classification of the structural system, material, program, massing, and spatial organization of the projects. It then compares the different structural and design aspects to achieve a comprehensive overview of possibilities in timber construction. The outcome is an identification of the range of morphologies and a better understanding of the design space in current serial and modular multi-storey mass timber construction.}, article-number = {404}, author = {Svatoš-Ražnjević, Hana and Orozco, Luis and Menges, Achim}, doi = {10.3390/buildings12040404}, issn = {2075-5309}, journal = {Buildings}, number = 4, title = {Advanced Timber Construction Industry: A Review of 350 Multi-Storey Timber Projects from 2000–2021}, url = {https://www.mdpi.com/2075-5309/12/4/404}, volume = 12, year = 2022 }
3. Krtschil, A., Orozco, L., Wagner, H. J., Menges, A., & Knippers, J. (2022). Conceptual development and comparison of two punctually supported timber slab systems. Doktorandenkolloquium Holzbau Forschung + Praxis.
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  @inproceedings{Krtschil.2022, author = {Krtschil, Anna and Orozco, Luis and Wagner, Hans Jakob and Menges, Achim and Knippers, Jan}, booktitle = {Doktorandenkolloquium Holzbau Forschung + Praxis}, title = {Conceptual development and comparison of two punctually supported timber slab systems}, year = 2022 }
4. Orozco, L., Svatoš-Ražnjević, H., & Menges, A. (2022). Stakeholders in Multi-storey Timber Data: 540 Design and Construction Players of 300 Mass-Timber Projects from 2000-2021. DaRUS. https://doi.org/10.18419/DARUS-2740
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  @dataset{orozco2022stakeholders, author = {Orozco, Luis and Svatoš-Ražnjević, Hana and Menges, Achim}, doi = {10.18419/DARUS-2740}, publisher = {DaRUS}, title = {Stakeholders in Multi-storey Timber Data: 540 Design and Construction Players of 300 Mass-Timber Projects from 2000-2021}, url = {https://darus.uni-stuttgart.de/citation?persistentId=doi:10.18419/darus-2740}, year = 2022 }
5. Krtschil, A., Orozco, L., Bechert, S., Wagner, H. J., Amtsberg, F., Chen, T.-Y., Shah, A., Menges, A., & Knippers, J. (2022). Structural development of a novel punctually supported timber building system for multi-storey construction. Journal of Building Engineering, 58, 104972. https://doi.org/10.1016/j.jobe.2022.104972
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  @article{Krtschil_2022, author = {Krtschil, Anna and Orozco, Luis and Bechert, Simon and Wagner, Hans Jakob and Amtsberg, Felix and Chen, Tzu-Ying and Shah, Anand and Menges, Achim and Knippers, Jan}, doi = {10.1016/j.jobe.2022.104972}, journal = {Journal of Building Engineering}, month = {10}, pages = 104972, publisher = {Elsevier {BV}}, title = {Structural development of a novel punctually supported timber building system for multi-storey construction}, url = {https://doi.org/10.1016%2Fj.jobe.2022.104972}, volume = 58, year = 2022 }
2021
1. Orozco, L., Krtschil, A., Wagner, H. J., Bechert, S., Amtsberg, F., Skoury, L., Knippers, J., & Menges, A. (2021). Design Methods for Variable Density, Multi-Directional Composite Timber Slab Systems for Multi-Storey. In V. Stojakovic & B. Tepavcevic (Eds.), Proceedings of the 39th eCAADe Conference (Vol. 1, pp. 303--312). Cumincad. http://papers.cumincad.org/cgi-bin/works/paper/ecaade2021_284
  - BibTeX
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  @inproceedings{Orozco2021, abstract = {This paper presents an agent-based method for the design of complex timber structures. This method features a multi-level agent simulation, that relies on a feedback loop between agent systems and structural simulations that update the agent environment. Such an approach can usefully be applied for the design of variable density timber slab systems, where material arrangements based on structural, fabrication, and architectural boundary conditions are necessary. Such arrangements can lead to multi-directional spanning slabs that can accept pointwise supports in unique layouts. We discuss the implementation of such a method on the basis of the structural design of a pavilion-scale multi-storey testing setup. The presented method enables a more versatile approach to the design of multi-storey timber buildings, which should increase their applicability to a diverse range of building typologies.}, address = {Novi Sad}, author = {Orozco, Luis and Krtschil, Anna and Wagner, Hans Jakob and Bechert, Simon and Amtsberg, Felix and Skoury, Lior and Knippers, Jan and Menges, Achim}, booktitle = {Proceedings of the 39th eCAADe Conference}, editor = {Stojakovic, V and Tepavcevic, B}, file = {:C\:/Users/ac128044/Google Drive/ICD_Wagner/01_Publikationen/PUBLICATION_COLLECTION/2021_ECAADE_METHODS_SLAB_DESIGN.pdf:pdf}, pages = {303--312}, publisher = {Cumincad}, title = {Design Methods for Variable Density, Multi-Directional Composite Timber Slab Systems for Multi-Storey}, url = {http://papers.cumincad.org/cgi-bin/works/paper/ecaade2021_284}, volume = 1, year = 2021 }

Teaching

Design Studios:

ITECH MSc. Thesis Students:

Interactive Design method for Irregular Column Layouts - Keerthana Udaykumar, 2022

MSc. Thesis Students:

Integration statischer Anforderungen in ein agentenbasiertes Modell zur Gestaltung des Innenraums eines Hohlkasetensystems für den mehrgeschossigen Holzbau - Paula Volz, 2022

International Workshops:

Agent-based Modeling for Materialization-informed Architectural Design
Digital Futures 2022, Tongji University, Shanghai, China
Introduction to Agent-based Modelling
2021, UCL, Bartlett
Dual-Additive Manufacturing
ACADIA 2020, Online + Global

Luis Orozco is a Research Associate and PhD Candidate at the Institute for Computational Design and Construction (ICD) at the University of Stuttgart, Germany. He is also a registered architect in the state of New York, USA. He is a member of the EXC 2120: Cluster of Excellence IntCDC – Integrative Computational Design and Construction for Architecture where his research focuses on a novel, digital, modular wood building system to enable the adoption of prefabricated timber construction in additional building typologies.

Prior to joining the ICD, Luis worked as a Computational Designer and Project Architect at HKS Architects in London, UK. There, he applied computational design thinking and techniques, and coordinated international project teams across sectors, specialising in Health and Stadium projects and a focusing on the MENA region. He was project lead on the Kuwait Children’s Hospital, which was a finalist for Future Project of the Year: Health at the World Architecture Festival 2017.

Luis received his M.Arch from the Taubman College at the University of Michigan, USA, where he instituted and taught the university’s first Introduction to Robotic Fabrication course. He received his B.Sc.Arch. at McGill University, Canada.

Research

Doctoral Research

Co-Design and Agent-Based Methods for Multi-Storey Wood Building Systems

DFG Cluster of Excellence EXC 2120 "IntCDC"

Multi-Storey Wood Building System

Luis Orozco

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2024

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Institute for Computational Design and Construction

University of Stuttgart, Keplerstraße 11, 70174 Stuttgart

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Luis Orozco

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2024

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2023

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University of Stuttgart, Keplerstraße 11, 70174 Stuttgart

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