settings = ClassCopier.copy(defaultSettings);
settings.setInterpolator(new ChargeConservingCIC());
variousTestSettings.put("ChargeConservingCIC", settings);
settings = ClassCopier.copy(defaultSettings);
settings.setInterpolator(new CloudInCell());
variousTestSettings.put("CloudInCell", settings);
settings = ClassCopier.copy(defaultSettings);
settings.setGridSolver(new SimpleSolver());
variousTestSettings.put("SimpleSolver", settings);