Publications
Experimental investigation of aerodynamic coefficients of the Holy Trinity Column in wind tunnel
Aerodynamic testing of the Holy Trinity Column in Olomouc reveals that its wind load significantly decreases when surrounded by buildings, offering critical insights for conservation efforts. Researchers used 1:75 and 1:150 scale models tested in a wind tunnel to analyze static wind effects, confirming consistent aerodynamic coefficients regardless of Reynolds number (Re = 2.7 × 10^5). The smaller model also allowed examination of surrounding structures' influence, demonstrating their mitigating effect on wind forces. These findings provide actionable data for maintenance decisions, remedial work, and preservation strategies for this UNESCO-listed monument.
Olomouc - Possibilities of Geovisualization of the Historical City
Researchers have identified four effective geovisualization methods for depicting spatial-temporal changes in historical urban areas, with a focus on Olomouc's UNESCO-listed Holy Trinity Column. These methods—comparing historical and recent images, overlaying historical maps over orthophotos, enhanced 3D visualization of historical maps, and photorealistic 3D models across different eras—were evaluated for their potential in tourism, urban planning, and public education. The study confirmed the accuracy of 17th-century fortress plans using cartometric methods and implemented these visualizations in Google Earth with multimedia features to enhance perception. This approach offers valuable insights for preserving and promoting Olomouc's historical heritage while aiding reconstruction efforts.
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