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PANDOCA (2.0.0)

Professional Aviation Dose Calculator

Model Description 

The development of PANDOCA (Professional Aviation Dose Calculator) based on the Monte Carlo program package GEANT4 began in 2005. The first version that was verified with measurements taken during the transition of solar cycle 23 and 24 was released in 2009 and has been constantly improved since then. The impinging primary cosmic particles and their energy spectra, respectively, are described by the galactic cosmic ray model by Matthiä et al. (2013) - a modified ISO GCR model. The variation due to the solar modulation is modeled using the corresponding W-parameter (Matthiä et al., 2013). The transport through the magnetosphere is parameterized by the effective vertical cutoff rigidities Rc, which were calculated with the GEANT4 application PLANETOCOSMICS using the International Geomagnetic Reference Field model for 2005 (Maus & MacMillan, 2005). The propagation of the primary particles through the atmosphere and the generation of the respective secondary radiation field are described by the particle fluxes at a given altitude consisting of protons, neutrons, photons, e, e+, μ, μ+, π, and π+. These particle fluxes are converted into dose quantities using corresponding conversion factors, for details see Matthiä et al. (2014).

Model Figure(s) :

Model Inputs Description 


	
	
	
	
Model Outputs Description
		
	

	

	
	
	
	
Model Caveats
		
	

	

	
	
	
	
Change Log
		
	

	

	
	 
	
Model Acknowledgement/Publication Policy (if any)
		
	

	

	
	
	
Model Domains:
		
	

	
		Solar

	
		Heliosphere.Inner_Heliosphere

	
		Heliosphere.Outer_Heliosphere

	
		Geospace

	
		High_Latitude_Ionosphere/Auroral_Region

	
	
	
Space Weather Impacts:
		
	

	
		Near-earth radiation and plasma environment (aerospace assets functionality)

	
		Solar energetic particles - SEPs (human exploration, aviation safety, aerospace assets functionality)

	
		Galactic cosmic rays - GCRs (human exploration, aviation safety, aerospace assets functionality)

	
	
	
Phenomena :

	

	
Simulation Type(s):
		
	

	
		Physics-based

	
		
	
Temporal Dependence Possible? (whether the code results depend on physical time?)
		
	

		true

		
    
Model is available at? 
    	
	

		CCMC

		
	
Source code of the model is publicly available?

		false

		
	 
CCMC Model Status (e.g. onboarding, use in production, retired, only hosting output, only source is available): 
    	
	

		onboarding

	
	
Code Language: 
		
	

		


	
Regions (this is automatically mapped based on model domain):

	
		Earth.Magnetosphere

	
		Heliosphere.Inner

	
		Heliosphere.Outer

	
		Sun

	
	
	

		Contacts
		
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		Daniel.Matthiae, ModelDeveloper 
		

	
		Matthias.Meier, ModelContact 
		

	
		Yihua.Zheng, ModelHostContact 
		

	

	

		Acknowledgement/Institution
		
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		Relevant Links
		
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		Publications
		
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  • 
		
			
				Matthiä, D., Meier, M. M., & Reitz, G. (2014), Numerical calculation of the radiation exposure from galactic cosmic rays at aviation altitudes with the PANDOCA core model, Space Weather, 12, 161–171. https://doi.org/10.1002/2013SW001022
			
			
			
		
		
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				Matthiä, D., Berger, T., Mrigakshi, A. I., & Reitz, G. (2013). A ready-to-use galactic cosmic ray model. Advances in Space Research, 51(3), 329–338.https://doi.org/10.1016/j.asr.2012.09.022
			
			
			
		
		
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				Meier, M. M., Copeland, K., Matthiä, D., Mertens, C. J., & Schennetten, K. ( 2018). First steps toward the verification of models for the assessment of the radiation exposure at aviation altitudes during quiet space weather conditions. Space Weather, 16, 1269-1276. https://doi.org/10.1029/2018SW001984
			
			
			
		
		
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		Model Access Information
		
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		Linked to Other Spase Resource(s) (example: another SimulationModel)
		
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