Finite Element Simulation and Visualisation of Hyperpolarised Gas Diffusivity Distributions in Models of Lung Airways

Keywords

academic actions affected airspace airway airways allowed alveolar alveoli analytical apparent applicability arrow assumptions atom atoms automatic averaging better binary bipolar boundaries branches branching broad closed compartment computer consequence contours contrast conversion convert correction create curie described detection developed diffusion diffusivity directed distribution distributions element equation experience extended extra extracted extraction farthest finite funding future gain gases generation geometric geometrical geometry gradient gradients grant helps highly histological histology horizontal implement implemented included insight intensity intra investigate investigated kingdom larger largest length lighting limits localized lung lungs magnetization makes maps microscopic miller mixtures model models modifies motional much nature nearly necessary noble objects onset outside particular physical presence processing project providing radiology realistic reduced regime regimes relevant respect restricted restriction scales sections selection sensitive significantly simple simplifications simplified simulation simulations since solving spaces stained starting strengths structure structures suggest threshold tools trans travel understanding uniform uniformity unit vertical visualization waveform whole wild