Source code for idaes.models.unit_models.product

#################################################################################
# The Institute for the Design of Advanced Energy Systems Integrated Platform
# Framework (IDAES IP) was produced under the DOE Institute for the
# Design of Advanced Energy Systems (IDAES).
#
# Copyright (c) 2018-2023 by the software owners: The Regents of the
# University of California, through Lawrence Berkeley National Laboratory,
# National Technology & Engineering Solutions of Sandia, LLC, Carnegie Mellon
# University, West Virginia University Research Corporation, et al.
# All rights reserved.  Please see the files COPYRIGHT.md and LICENSE.md
# for full copyright and license information.
#################################################################################
"""
Standard IDAES Product block.
"""

# Import Pyomo libraries
from pyomo.environ import Reference
from pyomo.common.config import ConfigBlock, ConfigValue, In

# Import IDAES cores
from idaes.core import declare_process_block_class, UnitModelBlockData, useDefault
from idaes.core.util.config import is_physical_parameter_block
from idaes.core.util.tables import create_stream_table_dataframe
import idaes.logger as idaeslog

# Product blocks can reuse the Feed initializer
# For consistency and future proofing, import with new name
from idaes.models.unit_models.feed import FeedInitializer as ProductInitializer

__author__ = "Andrew Lee"


# Set up logger
_log = idaeslog.getLogger(__name__)


[docs]@declare_process_block_class("Product") class ProductData(UnitModelBlockData): """ Standard Product Block Class """ # Set default initializer default_initializer = ProductInitializer CONFIG = ConfigBlock() CONFIG.declare( "dynamic", ConfigValue( domain=In([False]), default=False, description="Dynamic model flag - must be False", doc="""Indicates whether this model will be dynamic or not, **default** = False. Product blocks are always steady-state.""", ), ) CONFIG.declare( "has_holdup", ConfigValue( default=False, domain=In([False]), description="Holdup construction flag - must be False", doc="""Product blocks do not contain holdup, thus this must be False.""", ), ) CONFIG.declare( "property_package", ConfigValue( default=useDefault, domain=is_physical_parameter_block, description="Property package to use for control volume", doc="""Property parameter object used to define property calculations, **default** - useDefault. **Valid values:** { **useDefault** - use default package from parent model or flowsheet, **PhysicalParameterObject** - a PhysicalParameterBlock object.}""", ), ) CONFIG.declare( "property_package_args", ConfigBlock( implicit=True, description="Arguments to use for constructing property packages", doc="""A ConfigBlock with arguments to be passed to a property block(s) and used when constructing these, **default** - None. **Valid values:** { see property package for documentation.}""", ), )
[docs] def build(self): """ Begin building model. Args: None Returns: None """ # Call UnitModel.build to setup dynamics super(ProductData, self).build() # Check for default property package self._get_property_package() # Add State Block self.properties = self.config.property_package.build_state_block( self.flowsheet().time, doc="Material properties in product", defined_state=True, has_phase_equilibrium=False, **self.config.property_package_args ) # Add references to all state vars s_vars = self.properties[self.flowsheet().time.first()].define_state_vars() for s in s_vars: l_name = s_vars[s].local_name if s_vars[s].is_indexed(): slicer = self.properties[:].component(l_name)[...] else: slicer = self.properties[:].component(l_name) r = Reference(slicer) setattr(self, s, r) # Add outlet port self.add_port(name="inlet", block=self.properties, doc="Inlet Port")
[docs] def initialize_build( blk, state_args=None, outlvl=idaeslog.NOTSET, solver=None, optarg=None ): """ This method calls the initialization method of the state block. Keyword Arguments: state_args : a dict of arguments to be passed to the property package(s) to provide an initial state for initialization (see documentation of the specific property package) (default = None). outlvl : sets output level of initialization routine optarg : solver options dictionary object (default=None, use default solver options) solver : str indicating which solver to use during initialization (default = None, use default solver) Returns: None """ # --------------------------------------------------------------------- # Initialize state block init_log = idaeslog.getInitLogger(blk.name, outlvl, tag="unit") blk.properties.initialize( outlvl=outlvl, optarg=optarg, solver=solver, state_args=state_args ) init_log.info("Initialization Complete.")
def _get_stream_table_contents(self, time_point=0): return create_stream_table_dataframe( {"Inlet": self.inlet}, time_point=time_point )