Gregory Ward

Affiliate

Building Technology & Urban Systems Division

Building Technology Department

Windows & Envelope Materials Group

Building Façade Solutions

Lawrence Berkeley National Laboratory

90R3147

1 Cyclotron Road, Berkeley, CA 94720 USA

Office Location: -

[email protected]

Gregory Ward

Publications

2020

Lee, Eleanor S, Anothai Thanachareonkit, D. Charlie Curcija, Gregory J Ward, Taoning Wang, David Geisler-Moroder, Christoph Gehbauer, John Breshears, Luis L Fernandes, Stephen E Selkowitz, Robert Hart, Christian Kohler, David Blum, Jinqing Peng, and Howdy Goudey. High-Performance Integrated Window and Façade Solutions for California. Sacramento: California Energy Commission, 2020.

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PDF (3.68 MB)

2018

Lee, Eleanor S, David Geisler-Moroder, and Gregory J Ward. "Modeling the Direct Sun Component in Buildings Using Matrix Algebraic Approaches: Methods and Validation." Solar Energy 160 (2018) 380 - 395. LBNL-2001102.

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PDF (1.72 MB)

2017

Geisler-Moroder, David, Eleanor S Lee, and Gregory J Ward. "Validation of the Five-Phase Method for Simulating Complex Fenestration Systems with Radiance against Field Measurements." 15th International Conference of the International Building Performance Simulation Association 2017. LBNL-2001101.

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PDF (1.2 MB)

2014

Lee, Eleanor S, Brian E Coffey, Luis L Fernandes, Sabine Hoffmann, Andrew McNeil, Anothai Thanachareonkit, and Gregory J Ward. High Performance Building Façade Solutions-Phase II. 2014. LBNL-1004337.

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PDF (64.53 MB)

2013

McNeil, Andrew, Jacob C Jonsson, David Appelfeld, Gregory J Ward, and Eleanor S Lee. "A validation of a ray-tracing tool used to generate bi-directional scattering distribution functions for complex fenestration systems." Solar Energy 98.C (2013) 404-414. LBNL-6541E.

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PDF (1.82 MB)

Fernandes, Luis L, Eleanor S Lee, and Gregory J Ward. "Lighting energy savings potential of split-pane electrochromic windows controlled for daylighting with visual comfort." Energy and Buildings 61 (2013) 8-20. LBNL-6152E.

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PDF (5.34 MB)

2012

Ward, Gregory J, Murat Kurt, and Nicolas Bonneel. A Practical Framework for Sharing and Rendering Real-World Bidirectional Scattering Distribution Functions. 2012. LBNL-5954E.

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PDF (2.03 MB)

2011

Ward, Gregory J, Richard G Mistrick, Eleanor S Lee, Andrew McNeil, and Jacob C Jonsson. "Simulating the Daylight Performance of Complex Fenestration Systems Using Bidirectional Scattering Distribution Functions within Radiance." Leukos, The Journal of the Illuminating Engineering Society 7.4 (2011). LBNL-4414E.

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PDF (2.51 MB)

2007

Lee, Eleanor S, Robert D Clear, Gregory J Ward, and Luis L Fernandes. Commissioning and verification procedures for the automated roller shade system at The New York Times Headquarters. Berkeley, 2007.

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PDF (4.35 MB)

Lee, Eleanor S, Robert D Clear, Gregory J Ward, and Luis L Fernandes. Quick Start Guide: Commissioning and verification procedures for the automated roller shade system at The New York Times Headquarters. Berkeley, 2007.

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PDF (4.13 MB)

2006

Lee, Eleanor S, Stephen E Selkowitz, Robert D Clear, Dennis L DiBartolomeo, Joseph H Klems, Luis L Fernandes, Gregory J Ward, Vorapat Inkarojrit, and Mehry Yazdanian. Advancement of Electrochromic Windows. 2006. LBNL-59821.

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PDF (3.04 MB)

Lee, Eleanor S, Stephen E Selkowitz, Robert D Clear, Dennis L DiBartolomeo, Joseph H Klems, Luis L Fernandes, Gregory J Ward, Vorapat Inkarojrit, and Mehry Yazdanian. A Design Guide for Early-Market Electrochromic Windows. 2006. LBNL-59950.

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PDF (2.07 MB)

2005

Lee, Eleanor S, Stephen E Selkowitz, Glenn D Hughes, Robert D Clear, Gregory J Ward, John Mardaljevic, Judy Lai, Mehlika Inanici, and Vorapat Inkarojrit. Daylighting the New York Times Headquarters Building: Final Report. 2005. LBNL-57602.

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Print Version PDF (39.97 MB)

Web Version PDF (34.77 MB)

1996

Papamichael, Konstantinos M, Charles K Ehrlich, and Gregory J Ward. Design and Evaluation of Daylighting Applications of Holographic Glazings. 1996. LBNL-44167.

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PDF (763.61 KB)

1995

Rushmeier, Holly, Gregory J Ward, Christine Paitko, Phil Sanders, and Bert W Rust. "Comparing Real and Synthetic Images: Some Ideas about Metrics." 6th Eurographics Workshop on Rendering. Dublin, Ireland, 1995. LBL-37859.

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PDF (774.34 KB)

Ward, Gregory J. "Making Global Illumination User Friendly." 6th Eurographics Workshop on Rendering. Dublin, Ireland, 1995. LBL-37860.

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PDF (763.04 KB)

1994

Rushmeier, Holly, and Gregory J Ward. "Energy Preserving Non-Linear Filters." SIGGRAPH 94. Orlando, FL, 1994. LBL-37857.

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PDF (835.03 KB)

Ward, Gregory J. "The RADIANCE Lighting Simulation and Rendering System." SIGGRAPH 94. Orlando, FL, 1994. LBL-37858.

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PDF (3.05 MB)

Ward, Gregory J. A Contrast-Based Scalefactor for Luminance Display. 1994. LBL-35252.

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PDF (370.57 KB)

1992

Ward, Gregory J. "Measuring and Modeling Aniosotropic Reflection." Siggraph Conference. Chicago, IL, 1992. LBL-31698.

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PDF (3.05 MB)

Ward, Gregory J, and Paul S Heckbert. "Irradiance Gradients." Eurographics Rendering Workshop. Bristol, England, 1992. LBL-32205.

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PDF (2.15 MB)

1991

Ward, Gregory J. "Adaptive Shadow Testing for Ray Tracing." 1991 European Rendering Workshop Conference. 1991. LBL-30647.

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PDF (2.22 MB)

1990

Schuman, Jennifer E, and Gregory J Ward. "The Practical Computer in Design." 5th International Conference on Systems Research, Informatics, and Cybernatics. Baden-Baden, West Germany, 1990. LBL-29301.

Ward, Gregory J, Anat Grynberg, Charles K Ehrlich, and Francis M Rubinstein. "Using CAD for Lighting Design Helps Predict the Unpredictable." Electrical Systems Design 70 (1990) 26-31. LBL-28499.

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PDF (2.33 MB)

Ward, Gregory J. "Visualization." Lighting Design + Application 20 (1990). LBL-37865.

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PDF (1.04 MB)

Pages