Abstract
2-D water surface gradient data can be measured by a 2-D gradient detector (Zhang and Cox 1991; Zhang et al. 1993). An algorithm for the reconstruction of water surface elevation from measured surface gradient data is described in some detail. The boundary and noise effects are explored.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
Zhang X; Cox CS (1991) A 2D water surface detector for measuring wave number spectrum of very short waves. EOS Trans Am Geophys Union 72: 276
Zhang X; Dabiri D; Gharib M (1993) A novel technique for freesurface elevation mapping. Bull Amer Phys Soc 38: p2287
Zhang X; Cox CS (1994) Measuring the two dimensional structure of a wavy water surface optically: A surface gradient detector. Exp Fluids 17: 225–237
Zhang X; Dabiri D; Gharib M (1996) Optical mapping of fluid density interfaces: concepts and implementations. Rev Sci Instr 67(5) May
Zhang (1995) Capillary-gravity and capillary waves generated in a wind wave tank: Observations and Theories. Fluid Mech 289: 51–82
Author information
Authors and Affiliations
Additional information
This work has been supported by NSF and ONR. The author wishes to thank the anonymous reviewers for suggestions for improving the text.
Rights and permissions
About this article
Cite this article
Zhang, X. An algorithm for calculating water surface elevations from surface gradient image data. Experiments in Fluids 21, 43–48 (1996). https://doi.org/10.1007/BF00204634
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF00204634