PALM Tutorial

This tutorial teaches you about the design of PALM, and how to ... carry out runs with PALM for different meteorological scenarios. use specific parts of the model, such as the embedded particle model or topography. understand and analyse the PALM output data. add user-defined code to the model. debug errors. At least once a year, we are hosting the 5-day seminar An Introduction to the Large-Eddy Simulation Model PALM, which covers all the above-mentioned topics (Class of February 2020 in Fig. 1). If you cannot make it to the seminar, you could self-study the contents by following the time schedule of this years' PALM seminar (Fig. 2). The respective PDF presentations are available as attachments below. At the PALM webinar February 2022, we were working with PALM release 21.10-rc.2. The PALM Model System can be downloaded ​here

Fig 1: PALM seminar group February 2020 at IMUK, Leibniz University Hannover. Photographer: Micha Gryschka (Real-size image download)

Fig 2: Overview of the PALM seminar on 12th to 16th September 2022, as a webinar organized by the Institute of Meteorology and Climatology, Leibniz Universität Hannover.

Lecture presentations

Lecture number	Lecture title	pdf download
L-1.1	Seminar Introduction	L-1.1_Seminar_Introduction.pdf
L-1.2	Fundamentals of LES	L-1.2_Fundamentals_of_LES.pdf​
L-1.3	LES for beginners	L-1.3_LES_for_beginners.pdf​
L-1.4	PALM overview	L-1.4_PALM_overview.pdf​
L-1.5	PALM steering	L-1.5_PALM_steering.pdf​
L-1.6	Data visualisation	L-1.6_Data_visualization.pdf​
L-2.1	Numerics and boundary conditions	L-2.1_Numerics_and_boundary_conditions.pdf​
L-2.2	Code parallelisation	L-2.2_Code_parallelization.pdf​
L-2.3	Code structure and features	L-2.3_Code_structure_and_features.pdf​
L-2.4	Topography	L-2.4_Topography.pdf​
L-3.1	Restart runs	L-3.1_Restart_runs.pdf​
L-3.2	Non-cyclic boundary conditions	L-3.2_Noncyclic_boundary_conditions.pdf​
L-3.3	Grid nesting	L-3.3_Grid_nesting.pdf​
L-3.4	User-defined code	L-3.4_User_defined_code.pdf
L-3.5	Debugging	L-3.5_Debugging.pdf
L-3.6	Wind turbine model	L-3.6_Wind_Turbine_Model_2021.10.pdf
L-3.7	Ocean model	L-3.7_Ocean_mode.pdf
L-3.8	Palmrun Gui	L-3.8_Pamrun_GUI.pdf
L-4.1	Land surface model	L-4.1_Land_surface_model.pdf​
L-4.2	Urban surface model	L-4.2_Urban-Building_surface_model.pdf
L-4.3	Radiation model	L-4.3_Radiation_model_2021_print_version.pdf
L-4.4	Multi-agent system	L-4.4_Multi_agent_system.pdf
L-4.5	Static and dynamic drivers	L-4.5_Static_and_dynamic_driver.pdf
L-5.1	Lagrangian particle model	L-5.1_Lagrangian_particle_model.pdf​
L-5.2	Bulk cloud model	L-5.2_Bulk_cloud_model.pdf​
L-5.3	Chemistry model	L-5.3_Chemistry_model.2.pdf

Further documentation about other model components is available.

Exercise presentations

All exercises have been tested with release 21.10-rc.2

Exercise number	Exercise title	pdf download	Input files
E-1.1	Installation	E-1.1_Installation.pdf	---
E-1.2	Convective boundary layer	E-1.2_Convective_Boundary_Layer.pdf	E-1.2 setup​
E-2	Neutral boundary layer	E-2_Neutral_Boundary_Layer.pdf	E-2 setup
E-3	Flow around buildings	E-3_Flow_around_buildings.pdf​	E-3 setup
E-3.1	Wind turbine model	E-3.1_Wind_Turbine_Model_OPTIONAL.pdf	E-3.1 setup E-3.1 plotting
E-4	Land surface model	E-4_Land_surface_model.pdf	E-4 setup
E-5	Chemistry model	E-5_Chemistry_Tasks.pdf	E-5 setup
		E-5_Chemistry_Solution.pdf

The completed steering files can be downloaded here.

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