Memorial Tributes Volume 25 (2023) / Chapter Skim
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LOUIS LANDWEBER
LOUIS LANDWEBER
Pages 290-297
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From page 291... ...
Few engineers could match his understanding and elegant for mulation of fluid mechanics as applied to water movement around bodies in water, from ships and submarines to drifting objects such as icebergs. "Lou Landweber had a thirst for knowledge that never ran dry," noted the University of Iowa's Engineering Dean Alec Scranton during Landweber's induction to the Legacy of Iowa Engineering on April 25, 2017.
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From page 292... ...
. His thesis, "An Iteration Formula for Fredholm Integral Equations of the First Kind with Application to the Axially Symmetric Potential Flow about Elongated Bodies of Revolution," initiated the socalled Landweber iteration, an algorithm to solve ill-posed linear inverse problems, which are ubiquitous in ship hydrodynamics (e.g., when formulating ship motions and ship waves)
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From page 293... ...
Landweber and his colleagues conducted research projects on analysis of wakes, drag of truncated bodies, ship vibration, ship rolling, added-mass considerations, resistance from waves, turbulence, and cavitation. He made major theoretical contributions to the prediction of waves around ship hulls, of resistance due to waves (using ideal-fluid theory)
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From page 294... ...
For example, he focused considerable effort on the application of the Lagally theorem for estimating the forces and moments acting on a rigid body (e.g., a ship hull or an iceberg) moving through water treated as an inviscid and incompressible fluid.
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From page 295... ...
Landweber's potential theory was applied to a centrifugal pump and in 1978 their joint paper, "Calculation of Flow through Two-Dimensional Centrifugal Impeller by Method of Hydrodynamic Singularities," won the first Henry R Worthington North American Technical Awards Competition, sponsored by the Polytechnic Institute of New York and Worthington Pump Inc.
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From page 296... ...
always a very helpful and kind fellow." Landweber's death was a loss that profoundly shook the entire IIHR family. Yet, as Stern said at the funeral, the pain was "somehow accompanied by simultaneous feelings of happiness, joy, and pride for having known -- as a close friend, surrogate father, and mentor -- such a man as Lou Landweber." Mae passed away March 28, 2001.
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