Supply Chain Simulation Engine
Overview
The Supply Chain Simulation Engine provides discrete-event simulation capabilities for testing supply chain scenarios, policies, and disruptions. It enables what-if analysis, Monte Carlo integration, and performance optimization through simulation-based experimentation.
Capabilities
- End-to-End Supply Chain Simulation: Full network modeling
- What-If Scenario Testing: Policy and configuration testing
- Disruption Impact Modeling: Shock and recovery simulation
- Policy Optimization Testing: Inventory, sourcing policy experiments
- Monte Carlo Integration: Stochastic variability modeling
- Sensitivity Analysis: Parameter impact assessment
- Animation and Visualization: Visual simulation playback
- Performance Metric Tracking: KPI measurement through simulation
Input Schema
simulation_request:
network_model:
nodes: array
- node_id: string
type: string # supplier, plant, DC, customer
capacity: float
processing_time: object
inventory_policy: object
arcs: array
- from_node: string
to_node: string
lead_time: object
cost: float
demand_model:
patterns: array
variability: object
events: array # promotions, seasonality
supply_model:
reliability: object
variability: object
simulation_parameters:
run_length: integer
warm_up_period: integer
replications: integer
random_seed: integer
scenarios: array
- scenario_name: string
parameters: object
Output Schema
simulation_output:
results_summary:
scenarios: array
- scenario_name: string
kpis:
fill_rate: object
inventory_turns: object
lead_time: object
cost: object
confidence_intervals: object
detailed_results:
time_series: array
event_log: array
bottleneck_analysis: object
scenario_comparison:
comparison_matrix: object
statistical_tests: object
best_scenario: string
sensitivity_results:
parameters_tested: array
impact_analysis: object
critical_parameters: array
optimization_insights:
recommendations: array
trade_offs: object
visualization_data:
animation_data: object
charts: array
Usage
Inventory Policy Simulation
Input: Network model, demand patterns, inventory policies
Process: Simulate multiple policy scenarios
Output: Policy comparison with fill rate and cost
Disruption Impact Analysis
Input: Current network, disruption scenario
Process: Simulate disruption and recovery
Output: Impact quantification and recovery timeline
Network Configuration Testing
Input: Alternative network configurations
Process: Simulate each configuration
Output: Configuration comparison and recommendation
Integration Points
- Simulation Platforms: AnyLogic, Simul8, SimPy
- Data Sources: ERP, planning system data
- Optimization Tools: Combine with optimization
- Visualization Tools: Animation and dashboards
- Tools/Libraries: AnyLogic, Simul8, SimPy, discrete-event simulation
Process Dependencies
- Supply Chain Network Design
- Business Continuity and Contingency Planning
- Capacity Planning and Constraint Management
Best Practices
- Validate model against historical data
- Use adequate replications for statistical validity
- Include warm-up period for steady-state analysis
- Document model assumptions
- Involve operations in model validation
- Use sensitivity analysis to identify key drivers